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- All HBS Web
(2,450)
- People (7)
- News (512)
- Research (1,436)
- Events (20)
- Multimedia (1)
- Faculty Publications (580)
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- 2009
- Working Paper
Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation
By: Gaston Llanes and Stefano Trento
We present a dynamic model where the accumulation of patents generates an increasing number of claims on sequential innovation. We study the equilibrium innovation activity under three regimes: patents, no-patents and patent pools. Patent pools increase the probability... View Details
Llanes, Gaston, and Stefano Trento. "Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation." Harvard Business School Working Paper, No. 10-005, July 2009.
- Research Summary
Is Deposit Insurance a Good Idea, and if so, Who Should Pay for it?
Joint work with Alan Morrison, Saïd Business School, Oxford.
Deposit insurance schemes are becoming increasingly popular around the world and yet there is little understanding... View Details
- 07 Nov 2014
- Working Paper Summaries
Do Experts or Collective Intelligence Write with More Bias? Evidence from Encyclopædia Britannica and Wikipedia
- Article
Best Practices for Differentiated Products Demand Estimation with PyBLP
Differentiated products demand systems are a workhorse for understanding the price effects of mergers, the value of new goods, and the contribution of products to seller networks. Berry, Levinsohn, and Pakes (1995) provide a flexible random coefficients logit model... View Details
Conlon, Chris, and Jeff Gortmaker. "Best Practices for Differentiated Products Demand Estimation with PyBLP." RAND Journal of Economics 51, no. 4 (2020): 1108–1161.
- September 2007
- Journal Article
Refugee Camp Economies
By: Eric D. Werker
This paper describes the economy of a refugee camp. Key distortions to the economy of Kyangwali Refugee Settlement in Uganda are noted and the findings are used to construct a generic model of a refugee camp economy. Camp economies are influenced by host country... View Details
Keywords: Refugees; Economy; Policy; Civil Society or Community; Human Needs; Societal Protocols; Uganda
Werker, Eric D. "Refugee Camp Economies." Journal of Refugee Studies 20, no. 3 (September 2007): 461–480.
- 2020
- Working Paper
Sex Selection and the Indian Marriage Market
I consider the widespread phenomenon of sex ratios skewed by parental preference. Edlund (1999) proposes that if parents prefer sons and permit only women to marry up in social class, sexes will segregate by wealth in equilibrium. Using data on 30,000 Indian children,... View Details
Keywords: Sex Selection; Marriage Market; Bargaining Power; Gender; Information Technology; Household; Outcome or Result; India
Hussam, Reshmaan N. "Sex Selection and the Indian Marriage Market." Harvard Business School Working Paper, No. 18-029, September 2017. (Revised October 2020.)
- 2017
- Working Paper
Firm Selection and Corporate Cash Holdings
By: Juliane Begenau and Berardino Palazzo
Among stock market entrants, more firms over time are R&D intensive with initially lower profitability but higher growth potential. This sample-selection effect determines the secular trend in U.S. public firms’ cash holdings. A stylized firm industry model allows us... View Details
Keywords: Initial Public Offering; Market Entry and Exit; Supply and Industry; Research and Development
Begenau, Juliane, and Berardino Palazzo. "Firm Selection and Corporate Cash Holdings." NBER Working Paper Series, No. 23249, March 2017. (Revised February 2017. Harvard Business School Working Paper, No. 16-130, May 2016)
- 2012
- Article
Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation
By: Gaston Llanes and Stefano Trento
We present a dynamic model where the accumulation of patents generates an increasing number of claims on sequential innovation. We compare innovation activity under three regimes—patents, no-patents, and patent pools—and find that none of them can reach the first best.... View Details
Llanes, Gaston, and Stefano Trento. "Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation." Economic Theory 50, no. 3 (August 2012): 703–725.
- 2022
- Working Paper
Slowly Varying Regression under Sparsity
By: Dimitris Bertsimas, Vassilis Digalakis Jr, Michael Lingzhi Li and Omar Skali Lami
We consider the problem of parameter estimation in slowly varying regression models with sparsity constraints. We formulate the problem as a mixed integer optimization problem and demonstrate that it can be reformulated exactly as a binary convex optimization problem... View Details
Keywords: Mathematical Methods
Bertsimas, Dimitris, Vassilis Digalakis Jr, Michael Lingzhi Li, and Omar Skali Lami. "Slowly Varying Regression under Sparsity." Working Paper, September 2022.
- March–April 2023
- Article
Market Segmentation Trees
By: Ali Aouad, Adam Elmachtoub, Kris J. Ferreira and Ryan McNellis
Problem definition: We seek to provide an interpretable framework for segmenting users in a population for personalized decision making. Methodology/results: We propose a general methodology, market segmentation trees (MSTs), for learning market... View Details
Keywords: Decision Trees; Computational Advertising; Market Segmentation; Analytics and Data Science; E-commerce; Consumer Behavior; Marketplace Matching; Marketing Channels; Digital Marketing
Aouad, Ali, Adam Elmachtoub, Kris J. Ferreira, and Ryan McNellis. "Market Segmentation Trees." Manufacturing & Service Operations Management 25, no. 2 (March–April 2023): 648–667.
- 2023
- Working Paper
The Complexity of Economic Decisions
By: Xavier Gabaix and Thomas Graeber
We propose a theory of the complexity of economic decisions. Leveraging a macroeconomic framework of production functions, we conceptualize the mind as a cognitive economy, where a task’s complexity is determined by its composition of cognitive operations. Complexity... View Details
Gabaix, Xavier, and Thomas Graeber. "The Complexity of Economic Decisions." Harvard Business School Working Paper, No. 24-049, February 2024.
- March 2020
- Case
Forbidden City: Launching a Craft Beer in China
By: Christopher A. Bartlett and Carole Carlson
This case describes a difficult choice faced by Victor Wang, Managing Director of Singapore-based Eurasian Brewing Company (EBC), concerning the competing product launch plans of Le Jie, Vice President of EBC's China and East Asian operations, and Vivian Chin, EBC's... View Details
Keywords: Subsidiary Management; Craft Brewing; Strategy; Decision Making; Organizational Structure; Business Model; Growth and Development Strategy; Entrepreneurship; Management Style; Food and Beverage Industry; China; East Asia
Bartlett, Christopher A., and Carole Carlson. "Forbidden City: Launching a Craft Beer in China." Harvard Business School Brief Case 920-559, March 2020.
- February 2021
- Case
Digital Manufacturing at Amgen
By: Shane Greenstein, Kyle R. Myers and Sarah Mehta
This case discusses efforts made by biotechnology (biotech) company Amgen to introduce digital technologies into its manufacturing processes. Doing so is complicated by the fact that the process for manufacturing biologics—or therapeutics made from living cells—is... View Details
Keywords: Digital Technologies; Change; Change Management; Decision Making; Cost vs Benefits; Decisions; Information; Analytics and Data Science; Innovation and Invention; Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Jobs and Positions; Knowledge; Leadership; Organizational Culture; Science; Strategy; Information Technology; Technology Adoption; Biotechnology Industry; Pharmaceutical Industry; United States; California; Puerto Rico; Rhode Island
Greenstein, Shane, Kyle R. Myers, and Sarah Mehta. "Digital Manufacturing at Amgen." Harvard Business School Case 621-008, February 2021.
- 2010
- Working Paper
Do Bonuses Enhance Sales Productivity? A Dynamic Structural Analysis of Bonus-Based Compensation Plans
By: Doug J. Chung, Thomas J. Steenburgh and K. Sudhir
We estimate a dynamic structural model of sales force response to a bonus based compensation plan. The paper has two main methodological innovations: First, we implement empirically the method proposed by Arcidiacono and Miller (2010) to accommodate unobserved latent... View Details
Keywords: Compensation and Benefits; Performance Productivity; Mathematical Methods; Salesforce Management; Motivation and Incentives
Chung, Doug J., Thomas J. Steenburgh, and K. Sudhir. "Do Bonuses Enhance Sales Productivity? A Dynamic Structural Analysis of Bonus-Based Compensation Plans." Harvard Business School Working Paper, No. 11-041, October 2010.
- September – October 2011
- Article
The Rise and Consequences of Corporate Sustainability Reporting
By: Ioannis Ioannou and George Serafeim
For many decades the cornerstone of corporate reporting has been financial information that is presented in a company's annual, semi-annual, and quarterly reports. These comprehensive financial reports—required by law for public companies in most countries... View Details
Keywords: Sustainability; ESG Reporting; Governing Rules, Regulations, and Reforms; Annual Reports; Operations; Strategy; Business and Shareholder Relations; Business and Stakeholder Relations; Performance; Business Model; Corporate Social Responsibility and Impact; Corporate Disclosure
Ioannou, Ioannis, and George Serafeim. "The Rise and Consequences of Corporate Sustainability Reporting." European Business Review (September–October 2011): 38–41.
- Teaching Interest
Harvard Business Analytics Program: Operations and Supply Chain Management
By: Dennis Campbell
Digital technologies and data analytics are radically changing the operating model of an organization and how it connects to its broader supply chain and ecosystem. This course emphasizes managing product availability, especially in a context of rapid product... View Details
- Research Summary
Optimal Contracting with Reciprocal Agents
(with Florian Englmaier) (Job Market Paper)
Abstract: Empirically, compensation systems often seem to generate substantial effort despite weak incentives. We consider reciprocal motivations as a source of incentives. We solve for the optimal... View Details
- 2011
- Article
Incentive Compensation and the Likelihood of Termination: Theory and Evidence from Real Estate Organizations
By: Christopher Parsons, G. Hallman and J. Hartzell
We analyze two managerial compensation incentive devices: the threat of termination and pay for performance. We first develop a simple model predicting that these devices are substitutes: when termination incentives are low, optimal contracts provide stronger... View Details
Keywords: Motivation and Incentives; Resignation and Termination; Compensation and Benefits; Real Estate Industry
Parsons, Christopher, G. Hallman, and J. Hartzell. "Incentive Compensation and the Likelihood of Termination: Theory and Evidence from Real Estate Organizations." Real Estate Economics 39, no. 3 (Fall 2011): 507–546.
- May 2023
- Article
Competition in Pricing Algorithms
By: Zach Y. Brown and Alexander J. MacKay
We document new facts about pricing technology using high-frequency data, and we examine the implications for competition. Some online retailers employ technology that allows for more frequent price changes and automated responses to price changes by rivals. Motivated... View Details
Keywords: Pricing Algorithms; Pricing Frequency; Commitment; Online Competition; Price; Information Technology; Competition
Brown, Zach Y., and Alexander J. MacKay. "Competition in Pricing Algorithms." American Economic Journal: Microeconomics 15, no. 2 (May 2023): 109–156.
- 2016
- Working Paper
Diversified Business Groups in the West: History and Theory
By: Asli M. Colpan and Takashi Hikino
This working paper examines the historical origins, evolutionary paths, and long-term resilience of diversified business groups in contemporary developed economies of Western Europe, North America, and Oceania. It aims to come up with a new theoretical understanding of... View Details
Colpan, Asli M., and Takashi Hikino. "Diversified Business Groups in the West: History and Theory." Harvard Business School Working Paper, No. 17-035, October 2016.