§18.2Multi-country R&D + spillover
Multi-country R&D + Spillover10 eq
(18.5)
Diffusion ODE solution
Diffusion ODE Solution
DRAFT
vc-passed
$$a_j(t) = a_j^* + (a_j(0) - a_j^*)\, e^{-(\sigma_j + g - \lambda_j) t}$$
Intuition
DRAFT — ★ diffusion ODE 해.
3세 비유
DRAFT — ★ diffusion ODE 해.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ diffusion ODE 해.
(18.6)
Lifetime utility (diffusion)
Lifetime Utility (Diffusion)
DRAFT
vc-passed
$$U_j = \int_0^{\infty} e^{-(\rho - n_j) t}\, \frac{c_j(t)^{1-\theta} - 1}{1-\theta}\, dt$$
Intuition
DRAFT — 표준 utility.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — 표준 utility.
(18.7)
Expanding-variety 생산함수 (Romer 1990)
Expanding-Variety Production Function
DRAFT
$$Y_j(t) = \frac{1}{1-\beta} \int_0^{N_j(t)} x_j(\nu, t)^{1-\beta}\, d\nu \cdot L_j^{\beta}$$
Intuition
Paul Romer (1990) 의 expanding-variety endogenous growth 생산함수. $N_j(t)$ 가 사용 가능한 중간재 종 수, $x_j(\nu, t)$ 가 각 종 사용량. 새 중간재 발명이 성장 동력.
3세 비유
한 나라가 만들 수 있는 "제품 종류" 수가 늘어날수록 생산성이 증가 — 발명이 핵심.
Genealogy
| 인물 | 저작 | note |
|---|
| Paul Romer (1990) | Endogenous Technological Change (JPE) | Expanding-variety 모형 정초. |
| Philippe Aghion · Peter Howitt (1992) | A Model of Growth through Creative Destruction | Schumpeterian 변형. |
Applications
- ch13 expanding variety models
- endogenous growth empirics
- R&D-based growth analysis
Civilizational Relevance
혁신·발명이 부의 원천이라는 직접 표현. 한국 R&D 비율 4.5% (세계 최고) 의 macro framework.
(18.8)
Resource constraint
Resource Constraint
DRAFT
vc-passed
$$C_j(t) + X_j(t) + \zeta_j\, Z_j(t) \leq Y_j(t)$$
Intuition
DRAFT — diffusion resource.
3세 비유
DRAFT — diffusion resource.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — diffusion resource.
(18.9)
변종 수 증식 ODE (frontier diffusion)
Variety-Count ODE (Frontier Diffusion)
DRAFT
vc-passed
$$\dot N_j(t) = \eta_j \left(\frac{N(t)}{N_j(t)}\right)^{\varphi} Z_j(t)$$
Intuition
각 국가의 새로운 변종 (중간재 품종) 발명 속도. 세계 frontier 와의 거리 비 $(N/N_j)^\varphi$ 에 비례 (catch-up rate 가 격차 클수록 큼) + R&D 투입 $Z_j$. **(18.3) 와 동일 OU-like 구조** — 다른 변수에 적용.
3세 비유
한 나라가 새 제품 종류를 발명하는 속도 = 세계 다른 나라가 더 많이 가진 만큼 빨리 따라잡는 + 그 나라가 R&D 에 쓴 만큼.
Genealogy
| 인물 | 저작 | note |
|---|
| Acemoglu textbook (2009) | IMEG ch18 §18.2 | Romer 1990 + Schumpeterian 결합. |
Applications
- technology adoption empirical
- 한국 IT 산업 1995-2005 catch-up calibration
Civilizational Relevance
(18.3) 와 함께 ch18 의 두 OU-like ODE — Mirowski case study 입력.
(18.10)
Aggregate g
Aggregate g
DRAFT
vc-passed
$$\dot N(t) = g\, N(t)$$
Intuition
DRAFT — ★ aggregate productivity 성장.
3세 비유
DRAFT — ★ aggregate productivity 성장.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ aggregate productivity 성장.
(18.11)
BGP free-entry
BGP Free-Entry
DRAFT
vc-passed
$$(N_j)^{-\varphi}\, V^*_j\quad \text{vs}\quad \mu^*_j = \frac{\eta_j\, \beta\, L_j}{\zeta_j\, r^*}$$
Intuition
DRAFT — ★ BGP balance.
3세 비유
DRAFT — ★ BGP balance.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ BGP balance.
(18.12)
★ Aggregate N
Aggregate N
DRAFT
vc-passed
$$N(t) = \frac{1}{J} \sum_{j=1}^{J} N_j(t)$$
Intuition
DRAFT — ★ J 국가 aggregate.
3세 비유
DRAFT — ★ J 국가 aggregate.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ J 국가 aggregate.
(18.13) ★
★ ★ Cross-country μ_j*
★ ★ Cross-country μ_j*
DRAFT
vc-passed
$$\frac{1}{J} \sum_{j=1}^{J} \mu^*_j = \frac{1}{J} \sum_{j=1}^{J} \frac{\eta_j\, \beta\, L_j}{\zeta_j\, \rho}$$
Intuition
DRAFT — ★ ★ multi-country aggregate productivity.
3세 비유
DRAFT — ★ ★ multi-country aggregate productivity.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ multi-country aggregate productivity.
(18.14)
Sustained growth condition
Sustained Growth Condition
DRAFT
vc-passed
$$\frac{1}{J} \sum_{j=1}^{J} \left(\frac{\eta_j\, \beta\, L_j}{\zeta_j\, \rho}\right)^{1/\varphi} > 1$$
Intuition
DRAFT — ★ sustained growth 조건.
3세 비유
DRAFT — ★ sustained growth 조건.
Genealogy
| 인물 | 저작 | note |
|---|
| Edwin Mansfield (1968) | The Economics of Technological Change | DRAFT — diffusion 의 미시 데이터. |
| Diego Comin & Bart Hobijn (2010) | An Exploration of Technology Diffusion (AER) | DRAFT — 26 기술 diffusion 데이터. |
| Howitt (2000) | Endogenous Growth and Cross-Country Income Differences (AER) | DRAFT — diffusion + endogenous growth. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ sustained growth 조건.
§18.4Trade-DTC integration
Trade-DTC Integration10 eq
(18.16)
Cobb-Douglas Y_j
Cobb-Douglas Y_j
DRAFT
vc-passed
$$Y_j(t) = \exp\!\left(\int_0^1 \log y_j(i, t)\, di\right)$$
Intuition
DRAFT — Cobb-Douglas aggregator.
3세 비유
DRAFT — Cobb-Douglas aggregator.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — Cobb-Douglas aggregator.
(18.17)
Sector production
Sector Production
DRAFT
vc-passed
$$y_j(i, t) = \frac{1}{1-\beta}\, \int_0^{N_L(t)} x_{L,j}(i, \nu, t)^{1-\beta}\, d\nu \cdot ((1-i)\, l_j(i, t))^{\beta}$$
Intuition
DRAFT — ★ trade sector production.
3세 비유
DRAFT — ★ trade sector production.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ trade sector production.
(18.18)
Sector i = closing
Sector i = Closing
DRAFT
vc-passed
$$\text{output sector } i = \cdots$$
Intuition
DRAFT — 다국가 sector.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — 다국가 sector.
(18.19)
Relative price (Trade-DTC)
Relative Price (Trade-DTC)
DRAFT
vc-passed
$$\frac{P_{H,j}(t)}{P_{L,j}(t)} = \frac{N_H(t)}{N_L(t)}\, \omega_{Hj} L_j$$
Intuition
DRAFT — ★ skill-biased prices.
3세 비유
DRAFT — ★ skill-biased prices.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ skill-biased prices.
(18.20) ★
★ Price ratio (β/2 power)
★ Price Ratio (β/2 power)
DRAFT
vc-passed
$$\frac{P_{H,j}(t)}{P_{L,j}(t)} = \left(\frac{N_H(t)}{N_L(t)}\right)\, \left(\frac{\omega_{Hj}}{L_j}\right)^{-\beta/2}$$
Intuition
DRAFT — ★ trade DTC 의 price ratio.
3세 비유
DRAFT — ★ trade DTC 의 price ratio.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ trade DTC 의 price ratio.
(18.21)
Trade share I_j
Trade Share I_j
DRAFT
vc-passed
$$\frac{I_j(t)}{1 - I_j(t)} = \left(\frac{N_H(t)}{N_L(t)}\right)\, \left(\frac{\omega_{Hj}}{L_j}\right)^{-1/2}$$
Intuition
DRAFT — ★ trade share equation.
3세 비유
DRAFT — ★ trade share equation.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ trade share equation.
(18.22) ★
★ Aggregate Y_j
★ Aggregate Y_j
DRAFT
vc-passed
$$Y_j(t) = e^{-\beta}\, [(N_L(t)\, L_j)^{1/2} + (N_H(t)\, \omega_{Hj})^{1/2}]^2$$
Intuition
DRAFT — ★ ★ trade sector aggregate Y_j.
3세 비유
DRAFT — ★ ★ trade sector aggregate Y_j.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ trade sector aggregate Y_j.
(18.23) ★
★ Skill premium (trade)
★ Skill Premium (Trade)
DRAFT
vc-passed
$$\frac{w_{H,j}(t)}{w_{L,j}(t)} = \omega\, \left(\frac{N_H(t)}{N_L(t)}\right)^{1/2}\, \left(\frac{\omega_{Hj}}{L_j}\right)^{-1/2}$$
Intuition
DRAFT — ★ trade skill premium.
3세 비유
DRAFT — ★ trade skill premium.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ trade skill premium.
(18.24)
R&D dynamics (NL, NH)
R&D Dynamics (NL, NH)
DRAFT
vc-passed
$$\dot N_L(t) = \eta\, Z_L(t),\ \dot N_H(t) = \eta\, Z_H(t)$$
Intuition
DRAFT — 트레이드 R&D.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — 트레이드 R&D.
(18.25) ★
★ N_H/N_L closed
★ N_H/N_L Closed
DRAFT
vc-passed
$$\left(\frac{N_H}{N_L}\right)^* = \omega_H^n\, L^n$$
Intuition
DRAFT — ★ trade DTC 의 N ratio.
3세 비유
DRAFT — ★ trade DTC 의 N ratio.
Genealogy
| 인물 | 저작 | note |
|---|
| Eaton & Kortum (2002) | Technology, Geography and Trade (Econometrica) | DRAFT — trade + tech diffusion. |
| Acemoglu, Aghion, Zilibotti (2006) | Distance to Frontier, Selection, and Economic Growth | DRAFT — distance to frontier. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ trade DTC 의 N ratio.
§18.5Contracting institutions + technology adoption
Contracting Institutions + Technology Adoption27 eq
(18.26)
Contracting utility
Contracting Utility
DRAFT
vc-passed
$$u = \left(\int_0^M q(\nu)^{\beta}\, d\nu\right)^{1/\beta} - \psi\, e,\quad 0 < \beta < 1$$
Intuition
DRAFT — ★ contracting + supplier inputs.
3세 비유
DRAFT — ★ contracting + supplier inputs.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contracting + supplier inputs.
(18.27)
★ Revenue R
★ Revenue R
DRAFT
vc-passed
$$R = A^{1-\beta}\, q^{\beta}$$
Intuition
DRAFT — ★ contracting revenue.
3세 비유
DRAFT — ★ contracting revenue.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contracting revenue.
(18.28) ★
★ Quality q (CES of inputs)
★ Quality q (CES of Inputs)
DRAFT
vc-passed
$$q = N^{\kappa + 1 - 1/\alpha}\, \int_0^N X(j)^{\alpha}\, dj$$
Intuition
DRAFT — ★ CES of supplier inputs.
3세 비유
DRAFT — ★ CES of supplier inputs.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ CES of supplier inputs.
(18.29)
X(j) sub-aggregator
X(j) Sub-aggregator
DRAFT
vc-passed
$$X(j) = \exp\!\left(\int_0^1 \log x(i, j)\, di\right)$$
Intuition
DRAFT — ★ sub-aggregator (Cobb-Douglas).
3세 비유
DRAFT — ★ sub-aggregator (Cobb-Douglas).
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ sub-aggregator (Cobb-Douglas).
(18.30)
Concavity condition
Concavity Condition
DRAFT
vc-passed
$$\forall N > 0,\ \frac{\Gamma''(N)}{\Gamma'(N) + w_0} > \frac{\beta(\kappa+1) - 1}{1-\beta}$$
Intuition
DRAFT — ★ wellposedness.
3세 비유
DRAFT — ★ wellposedness.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ wellposedness.
(18.31)
★ Profit π
Profit π
DRAFT
vc-passed
$$\pi = R - \int_0^N [\tau(j) + s(j)]\, dj - \Gamma(N)$$
Intuition
DRAFT — ★ contractual + non-contractual transfer.
3세 비유
DRAFT — ★ contractual + non-contractual transfer.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contractual + non-contractual transfer.
(18.32)
R closed
R Closed
DRAFT
vc-passed
$$R = A^{1-\beta}\, N^{\beta(\kappa+1)}\, x^{\beta\, \cdots}$$
Intuition
DRAFT — R closed form.
3세 비유
DRAFT — R closed form.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — R closed form.
(18.33) ★
★ Optimal contract problem
★ Optimal Contract Problem
DRAFT
vc-passed
$$\max_{N, \{x(i,j)\}, \{s(j), \tau(j)\}} R - \int_0^N [\tau(j) + s(j)]\, dj - \Gamma(N)$$
Intuition
DRAFT — ★ contract design problem.
3세 비유
DRAFT — ★ contract design problem.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ contract design problem.
(18.34) ★
★ Supplier IR constraint
★ Supplier IR Constraint
DRAFT
vc-passed
$$s(j) + \tau(j) - \psi\, \int_0^1 x(i, j)\, di \geq w_0\quad \forall j \in [0, N]$$
Intuition
DRAFT — ★ ★ Individual rationality (IR).
3세 비유
DRAFT — ★ ★ Individual rationality (IR).
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ Individual rationality (IR).
(18.35)
Reduced max
Reduced Max
DRAFT
vc-passed
$$\max_{N, x} A^{1-\beta}\, N^{\beta(\kappa+1)}\, x^{\beta} - N\, w_0 - N\, \psi\, x - \Gamma(N)$$
Intuition
DRAFT — ★ reduced max.
3세 비유
DRAFT — ★ reduced max.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ reduced max.
(18.36) ★
★ ★ N* equation
★ ★ N* Equation
DRAFT
vc-passed
$$(N^*)^{[\beta(\kappa+1)-1]/(1-\beta)}\, A^{\kappa\beta/(1-\beta)}\, \psi^{-\beta/(1-\beta)} = \Gamma'(N^*)$$
Intuition
DRAFT — ★ ★ ★ Acemoglu 2007 의 핵심 — 기술 채택 결정.
3세 비유
DRAFT — ★ ★ ★ Acemoglu 2007 의 핵심 — 기술 채택 결정.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ ★ Acemoglu 2007 의 핵심 — 기술 채택 결정.
(18.37)
x* solution
x* Solution
DRAFT
vc-passed
$$x^* = \frac{\Gamma'(N^*) + w_0}{\kappa\, \psi}$$
Intuition
DRAFT — ★ supplier input.
3세 비유
DRAFT — ★ supplier input.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ supplier input.
(18.38)
x_n max
x_n Max
DRAFT
vc-passed
$$x_n \in \arg \max_{x_n(j)} \bar s_x(N, x_c, x_n, x_n(j)) - (1-\mu)\, \psi\, x_n(j)$$
Intuition
DRAFT — ★ non-contractible input.
3세 비유
DRAFT — ★ non-contractible input.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ non-contractible input.
(18.39)
★ Bargaining IR
★ Bargaining IR
DRAFT
vc-passed
$$\bar s_x(N, x_c, x_n, x_n) + \tau \geq \mu\, \psi\, x_c + (1-\mu)\, \psi\, x_n + w_0$$
Intuition
DRAFT — ★ bargaining outcome IR.
3세 비유
DRAFT — ★ bargaining outcome IR.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ bargaining outcome IR.
(18.40)
★ Reduced contract max
★ Reduced Contract Max
DRAFT
vc-passed
$$\max_{N, x_c, x_n} s_q(N, x_c, x_n) + N\, \bar s_x(N, x_c, x_n)$$
Intuition
DRAFT — ★ reduced contract.
3세 비유
DRAFT — ★ reduced contract.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ reduced contract.
(18.41)
Tilde τ
Tilde τ
DRAFT
vc-passed
$$\tilde \tau = \mu\, \psi\, \tilde x_c + (1-\mu)\, \psi\, \tilde x_n + w_0 - \bar s_x(\tilde N, \tilde x_c, \tilde x_n)$$
Intuition
DRAFT — tilde τ.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — tilde τ.
(18.42)
Proposition 18.10
Proposition 18.10
DRAFT
vc-passed
$$\bar s_x(N, x_c, x_n(-j), \cdots) = \cdots$$
Intuition
DRAFT — Proposition 18.10.
3세 비유
DRAFT — Proposition 18.10.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — Proposition 18.10.
(18.43)
★ γ definition
γ Definition
DRAFT
vc-passed
$$\gamma \equiv \frac{\alpha}{\alpha + \beta}$$
Intuition
DRAFT — ★ contracting parameter.
3세 비유
DRAFT — ★ contracting parameter.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contracting parameter.
(18.44) ★
★ s_x symmetric
★ s_x Symmetric
DRAFT
vc-passed
$$x_n(j) = x_n(-j) = x_n,\ s_x(N, x_c, x_n) = (1-\gamma)\, A^{1-\beta}\, x_c^{\beta\mu}\, x_n^{\beta(1-\mu)}\, N^{\beta(\kappa+1)}$$
Intuition
DRAFT — ★ symmetric supplier surplus.
3세 비유
DRAFT — ★ symmetric supplier surplus.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ symmetric supplier surplus.
(18.45)
★ s_q symmetric
★ s_q Symmetric
DRAFT
vc-passed
$$s_q(N, x_c, x_n) = \gamma\, A^{1-\beta}\, x_c^{\beta\mu}\, x_n^{\beta(1-\mu)}\, N^{\beta(\kappa+1)}$$
Intuition
DRAFT — ★ symmetric quality surplus.
3세 비유
DRAFT — ★ symmetric quality surplus.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ symmetric quality surplus.
(18.46) ★
★ x_n optimal
★ x_n Optimal
DRAFT
vc-passed
$$x_n = \bar x_n(N, x_c) = [\alpha(1-\gamma)\, \psi^{-1}\, x_c^{\beta\mu}\, A^{1-\beta}\, N^{\beta(\kappa+1)}]^{1/(1-\beta(1-\mu))}$$
Intuition
DRAFT — ★ x_n closed form.
3세 비유
DRAFT — ★ x_n closed form.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ x_n closed form.
(18.47)
★ Reduced max (with constraint)
★ Reduced Max (with Constraint)
DRAFT
vc-passed
$$\max_{N, x_c} A^{1-\beta}\, x_c^{\beta\mu}\, [\alpha(1-\gamma)/\psi]^{\beta(1-\mu)/(1-\beta(1-\mu))} \cdots$$
Intuition
DRAFT — ★ reduced max formula.
3세 비유
DRAFT — ★ reduced max formula.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ reduced max formula.
(18.48) ★
★ ★ Tilde N — endogenous adoption
★ ★ Tilde N — Endogenous Adoption
DRAFT
vc-passed
$$(\tilde N)^{[\beta(\kappa+1)-1]/(1-\beta)}\, A^{\kappa\beta/(1-\beta)} \cdots = \Gamma'(\tilde N)$$
Intuition
DRAFT — ★ ★ ★ contracting-distorted N.
3세 비유
DRAFT — ★ ★ ★ contracting-distorted N.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ ★ contracting-distorted N.
(18.49)
Tilde x_c
Tilde x_c
DRAFT
vc-passed
$$\tilde x_c = \frac{\Gamma'(\tilde N) + w_0}{\kappa\, \psi}$$
Intuition
DRAFT — ★ contracting x_c.
3세 비유
DRAFT — ★ contracting x_c.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contracting x_c.
(18.50)
★ Tilde x_n closed
★ Tilde x_n Closed
DRAFT
vc-passed
$$\tilde x_n = \frac{\alpha(1-\gamma)\, [1-\beta(1-\mu)]}{\beta\, [1-\alpha(1-\gamma)(1-\mu)]}\, \frac{\Gamma'(\tilde N) + w_0}{\psi}$$
Intuition
DRAFT — ★ contracting x_n.
3세 비유
DRAFT — ★ contracting x_n.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ contracting x_n.
(18.51) ★
★ ★ Distortion ratio
★ ★ Distortion Ratio
DRAFT
vc-passed
$$\frac{\tilde x_n}{\tilde x_c} = \frac{\alpha(1-\gamma)\, [1-\beta(1-\mu)]}{\beta\, [1-\alpha(1-\gamma)(1-\mu)]} < 1$$
Intuition
DRAFT — ★ ★ ★ contractibility 가 supplier inputs 의 비율 결정 — 비계약 input 더 적게 투자.
3세 비유
DRAFT — ★ ★ ★ contractibility 가 supplier inputs 의 비율 결정 —
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ ★ contractibility 가 supplier inputs 의 비율 결정 — 비계약 input 더 적게 투자.
(18.52) ★
★ Shapley share
★ Shapley Share
DRAFT
vc-passed
$$s_j = \frac{1}{(K+1)!} \sum_{g \in G} [v(z^j_g \cup j) - v(z^j_g)]$$
Intuition
DRAFT — ★ ★ Shapley value 분배.
3세 비유
DRAFT — ★ ★ Shapley value 분배.
Genealogy
| 인물 | 저작 | note |
|---|
| Daron Acemoglu (2007) | Equilibrium Bias of Technology (Econometrica) | DRAFT — endogenous contractual choice. |
| Acemoglu, Antràs, Helpman (2007) | Contracts and Technology Adoption (AER) | DRAFT — contracting institutions + technology adoption. |
| Oliver Hart (1995) | Firms, Contracts, and Financial Structure | DRAFT — incomplete contracts theory. |
Applications
- Mansfield 1968 diffusion empirics
- Comin-Hobijn 2010 diffusion data
- Eaton-Kortum 2002 trade-tech
- Acemoglu-Antras-Helpman 2007 contracting
- World Bank Doing Business institutional measures
Civilizational Relevance
DRAFT — ★ canonical bridge — ★ ★ Shapley value 분배.