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- All HBS Web
(120)
- Faculty Publications (14)
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- 2024
- Working Paper
The Efficiency of Patent Litigation
By: Samuel Antill, Murat Alp Celik, Xu Tian and Toni M. Whited
How efficient is the U.S. patent litigation system? We quantify the extent to which the litigation system shapes innovation using a novel dynamic model, in which heterogeneous firms innovate and face potential patent lawsuits. We show that the impact of a litigation... View Details
Keywords: Innovation and Invention; Lawsuits and Litigation; Growth and Development; Welfare; Patents
Antill, Samuel, Murat Alp Celik, Xu Tian, and Toni M. Whited. "The Efficiency of Patent Litigation." Working Paper, May 2024.
- March 2022
- Article
Contractual Restrictions and Debt Traps
By: Ernest Liu and Benjamin N. Roth
Microcredit and other forms of small-scale finance have failed to catalyze entrepreneurship in developing countries. In these credit markets, borrowers and lenders often bargain over not only the interest rate but also implicit restrictions on types of investment. We... View Details
Liu, Ernest, and Benjamin N. Roth. "Contractual Restrictions and Debt Traps." Review of Financial Studies 35, no. 3 (March 2022): 1141–1182.
- Fall 2019
- Article
Endogenous Productivity of Demand-Induced R&D: Evidence from Pharmaceuticals
By: Kyle Myers and Mark Pauly
We examine trends in the productivity of the pharmaceutical sector over the past three decades. Motivated by Ricardo’s insight that productivity and rents are endogenous to demand when inputs are scarce, we examine the industry’s aggregate R&D production function.... View Details
Keywords: Innovation; Productivity; Pharmaceuticals; Innovation and Invention; Performance Productivity; Pharmaceutical Industry
Myers, Kyle, and Mark Pauly. "Endogenous Productivity of Demand-Induced R&D: Evidence from Pharmaceuticals." RAND Journal of Economics 50, no. 3 (Fall 2019): 591–614.
- 2019
- Article
History, Micro Data, and Endogenous Growth
By: Ufuk Akcigit and Tom Nicholas
The study of economic growth is concerned with long-run changes, and therefore, historical data should be especially influential in informing the development of new theories. In this review, we draw on the recent literature to highlight areas in which study of history... View Details
Keywords: Economic Development; Growth; Innovation; Economic Growth; History; Analytics and Data Science; Innovation and Invention
Akcigit, Ufuk, and Tom Nicholas. "History, Micro Data, and Endogenous Growth." Annual Review of Economics 11 (2019): 615–633.
- Summer, 2018
- Article
Innovation, Reallocation and Growth
By: Daron Acemoglu, Ufuk Akcigit, Harun Alp, Nicholas Bloom and William R. Kerr
We build a model of firm-level innovation, productivity growth, and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the... View Details
Keywords: Entry; Growth; Industrial Policy; Innovation; R&D; Reallocation; Selection; Market Entry and Exit; Growth and Development; Innovation and Invention; Research and Development; Performance Productivity
Acemoglu, Daron, Ufuk Akcigit, Harun Alp, Nicholas Bloom, and William R. Kerr. "Innovation, Reallocation and Growth." American Economic Review 108, no. 11 (November 2018): 3450–3491.
- August 2018
- Article
Growth Through Heterogeneous Innovations
By: Ufuk Akcigit and William R. Kerr
We build a tractable growth model where multi-product incumbents invest in internal innovations to improve their existing products, while new entrants and incumbents invest in external innovations to acquire new product lines. External and internal innovations generate... View Details
Keywords: Endogenous Growth; Innovation; Citations; Scientists; Entrepreneurs; External; Internal; Patents; Innovation Strategy; Entrepreneurship; Economic Growth; Research and Development; Science
Akcigit, Ufuk, and William R. Kerr. "Growth Through Heterogeneous Innovations." Journal of Political Economy 126, no. 4 (August 2018): 1374–1443.
- July 2016
- Article
Taxation, Corruption, and Growth
By: Philippe Aghion, Ufuk Akcigit, Julia Cagé and William R. Kerr
We build an endogenous growth model to analyze the relationships between taxation, corruption, and economic growth. Entrepreneurs lie at the center of the model and face disincentive effects from taxation but acquire positive benefits from public infrastructure.... View Details
Keywords: Endogenous Growth; Public Goods; Corruption; Crime and Corruption; Entrepreneurship; Taxation; Economic Growth
Aghion, Philippe, Ufuk Akcigit, Julia Cagé, and William R. Kerr. "Taxation, Corruption, and Growth." Special Issue on The Economics of Entrepreneurship. European Economic Review 86 (July 2016): 24–51.
- Article
Transition to Clean Technology
By: Daron Acemoglu, Ufuk Akcigit, Douglas Hanley and William R. Kerr
We develop a microeconomic model of endogenous growth where clean and dirty technologies compete in production and innovation, in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more advanced to start with, the... View Details
Keywords: Technological Innovation; Entrepreneurship; Environmental Sustainability; Green Technology Industry
Acemoglu, Daron, Ufuk Akcigit, Douglas Hanley, and William R. Kerr. "Transition to Clean Technology." Special Issue on Climate Change and the Economy. Journal of Political Economy 124, no. 2 (February 2016): 52–104.
- Article
Entrepreneurship and Urban Growth: An Empirical Assessment with Historical Mines
By: Edward L. Glaeser, Sari Pekkala Kerr and William R. Kerr
We study entrepreneurship and growth through the lens of U.S. cities. Initial entrepreneurship correlates strongly with urban employment growth, but endogeneity bedevils interpretation. Chinitz (1961) hypothesized that coal mines near cities led to specialization in... View Details
Keywords: Industrial Organization; Chinitz; Agglomeration; Clusters; Cities; Mines; Industry Clusters; Urban Development; Entrepreneurship; City; Mining; Mining Industry; United States
Glaeser, Edward L., Sari Pekkala Kerr, and William R. Kerr. "Entrepreneurship and Urban Growth: An Empirical Assessment with Historical Mines." Review of Economics and Statistics 97, no. 2 (May 2015): 498–520.
- 2017
- Working Paper
Innovation, Reallocation and Growth
By: Daron Acemoglu, Ufuk Akcigit, Harun Alp, Nicholas Bloom and William R. Kerr
We build a model of firm-level innovation, productivity growth, and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the... View Details
Keywords: Entry; Growth; Industrial Policy; Innovation; R&D; Reallocation; Selection; Business Ventures; Resource Allocation; Performance Productivity; Policy; Research and Development; Innovation and Invention; Growth and Development; United States
Acemoglu, Daron, Ufuk Akcigit, Harun Alp, Nicholas Bloom, and William R. Kerr. "Innovation, Reallocation and Growth." Harvard Business School Working Paper, No. 13-088, April 2013. (Revised November 2017. NBER Working Paper Series, No. 18993, April 2013)
- 2015
- Working Paper
Entrepreneurship and Urban Growth: An Empirical Assessment with Historical Mines
By: Edward L. Glaeser, Sari Pekkala Kerr and William R. Kerr
We study entrepreneurship and growth through the lens of U.S. cities. Initial entrepreneurship correlates strongly with urban employment growth, but endogeneity bedevils interpretation. Chinitz (1961) hypothesized that coal mines near cities led to specialization in... View Details
Keywords: Industrial Organization; Chinitz; Agglomeration; Clusters; Cities; Mines; Industry Clusters; Entrepreneurship; City; Mining; Mining Industry; Pittsburgh
Glaeser, Edward L., Sari Pekkala Kerr, and William R. Kerr. "Entrepreneurship and Urban Growth: An Empirical Assessment with Historical Mines." Harvard Business School Working Paper, No. 13-015, August 2012. (Revised May 2015.)
- 2010
- Working Paper
Growth through Heterogeneous Innovations
By: Ufuk Akcigit and William R. Kerr
We study how exploration versus exploitation innovations impact economic growth through a tractable endogenous growth framework that contains multiple innovation sizes, multi-product firms, and entry/exit. Firms invest in exploration R&D to acquire new product lines... View Details
Keywords: Business Ventures; Decision Choices and Conditions; Economic Growth; Investment; Innovation and Invention; Patents; Size; Research and Development; United States
Akcigit, Ufuk, and William R. Kerr. "Growth through Heterogeneous Innovations." Harvard Business School Working Paper, No. 11-044, October 2010. (SSRN, HBS WP 11-044.)
- Article
Are Crises Good for Long-term Growth? The Role of Political Institutions
By: Alberto Cavallo and Eduardo Cavallo
This paper provides empirical evidence for the importance of institutions in determining the outcome of crises on long-term growth. We show that once unobserved country-specific effects and other sources of endogeneity are accounted for, political institutions affect... View Details
Keywords: Growth; Democracy; Macroeconomics; Growth and Development; Financial Crisis; Economic Growth; Government and Politics
Cavallo, Alberto, and Eduardo Cavallo. "Are Crises Good for Long-term Growth? The Role of Political Institutions." Journal of Macroeconomics 32, no. 3 (September 2010): 838–857.
- Research Summary
Growth and the Quality of Foreign Direct Investment: Is All FDI Equal? (joint with Andrew Charlton)
By: Laura Alfaro
In this paper we distinguish different qualities of FDI to re-examine the relationship between FDI and growth. Establishing the quality of FDI, however, is a difficult concept. Quality, that is the effect of a unit of FDI on economic growth, is a combination and... View Details