Publications

1975
Working Paper

Information, Efficiency and Equilibrium

By: Jerry R. Green

When economic agents receive information over time concerning future events it is likely that prices for commodities whose value is influenced by these events will fluctuate in response to changes in the state of knowledge. If such events occur periodically,... View Details

Keywords: Economics; Supply and Industry; Price

Research Summary

The Equilibrium Concept in Game Theory

By: Elon Kohlberg

Elon Kohlberg is studying the foundations of the equilibrium concept in game theory, which is to the study of economic systems what the notion of "equilibrium of forces" is to the study of mechanical systems. Although much of economic theory can be viewed in... View Details

September 1990
Article

Competition on Many Fronts: A Stackelberg Signaling Equilibrium

By: Jerry R. Green and Jean-Jacques Laffont

An economic agent, the incumbent, is operating in many environments at the same time. These may be locations, markets, or specific activities. He is informed of the particular conditions relevant to each situation. His action in each case is observable by another... View Details

Article

Physician-Induced Demand for Medical Care

By: Jerry R. Green

This paper addresses the theoretical models designed to ascertain the existence of a variable level of physicians' activity in shifting the demand of their patients. Two basic approaches are followed: equilibrium models of the demand for health care, and disequilibrium... View Details

Keywords: Physicians; Economic Equilibrium; Monopolistic Competition; Economic Competition; Medical Care

2023
Working Paper

Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education

By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla

We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing... View Details

Keywords: Product Differentiation; Public Sector; Private Sector; Spending; Education; Competition

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2023
Working Paper

Spatial Mobility, Economic Opportunity, and Crime

By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo and Audrey Tiew

Neighborhoods are strong determinants of both economic opportunity and criminal activity. Does improving connectedness between segregated and unequal parts of a city predominantly import opportunity or export crime? We use a spatial general equilibrium framework to... View Details

Keywords: Urban Development; Transportation Networks; Crime and Corruption; Transportation Industry; Medellín; Colombia; South America

12 Sep 2024
HBS Seminar

Jose Vasquez, London School of Economics

Web

Business Economics Online Course | HBS Online

This course is part of the Strategy track. Introduction to Economics for Managers ENROLL NOW No application needed for our certificate programs. Start your journey today! Economics for Managers $1,850 Next... View Details

Article

An Exploration of Optimal Stabilization Policy

By: N. Gregory Mankiw and Matthew C. Weinzierl

This paper examines the optimal response of monetary and fiscal policy to a decline in aggregate demand. The theoretical framework is a two-period general equilibrium model in which prices are sticky in the short-run and flexible in the long-run. Policy is evaluated by... View Details

Keywords: Fiscal Policy; Monetary Policy; Economic Models; Aggregate Demand; Demand and Consumers; Money; Mathematical Methods; Taxation; Spending; Policy; Welfare; Household; Economic Slowdown and Stagnation

Article

Participation Constraints in the Vickrey Auction

By: Jerry R. Green and Jean-Jacques Laffont

Economic agents are characterized by two privately observable parameters: their willingness to pay for an item being auctioned, and their reservation utility level which must be exceeded, in expectation, to induce them to participate in this auction. This creates a... View Details

2019
Chapter

Network Effects

By: Andrei Hagiu and David B. Yoffie

Network effects are a key economic and strategic phenomenon in 'new economy' industries. They can, but do not necessarily, lead to market tipping, unless they outweigh customers' benefits from differentiation and are accompanied by high switching and multi-homing... View Details

Keywords: Network Effects

Purchase

June 2025
Article

Collusion in Brokered Markets

By: John William Hatfield, Scott Duke Kominers and Richard Lowery

High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to... View Details

SSRN

Purchase

2023
Working Paper

Polarizing Corporations: Does Talent Flow to "Good" Firms?

By: Emanuele Colonnelli, Tim McQuade, Gabriel Ramos, Thomas Rauter and Olivia Xiong

We conduct a field experiment in partnership with the largest job platform in Brazil to study how environmental, social, and governance (ESG) practices of firms affect talent allocation. We find both an average job-seeker’s preference for ESG and a large degree of... View Details

Keywords: Corporate Social Responsibility and Impact; Job Search; Talent and Talent Management; Wages; Attitudes

15 Jul 2010
Working Paper Summaries

Trade Policy and Firm Boundaries

Keywords: by Laura Alfaro, Paola Conconi, Harald Fadinger & Andrew F. Newman

Article

Risk and the Cross-Section of Stock Returns

By: Mark Seasholes, Radu Burlacu, Patrice Fontaine and Sonia Jimenez-Garces

This paper mathematically transforms unobservable rational expectation equilibrium model parameters (information precision and supply uncertainty) into a single variable that is correlated with expected returns and that can be estimated with recently observed data. Our... View Details

Keywords: Risk Premiums; Cross-sectional Asset Pricing; REE Models; Risk and Uncertainty; Asset Pricing; Investment Return

Jerry R. Green

David A. Wells Professor of Political Economy

John Leverett Professor in the University

Harvard University

Jerry Green is the John Leverett Professor in the University and the David A. Wells... View Details

Keywords: aerospace; education industry; insurance industry; professional services

19 Oct 2017
HBS Seminar

Dennis Carlton, University of Chicago Booth School of Business

2020
Working Paper

Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 5 Ecosystems and Complementarities

By: Carliss Y. Baldwin

The purpose of this chapter is to introduce two new building blocks to the theory of how technology shapes organizations. The first is a new layer of organization structure: a business “ecosystem.” The second is the economic concept of “complementarity.” Ecosystems are... View Details

Keywords: Business Ecosystems; Complementarity; Modularity; Information Technology; Organizations

SSRN

2022
Working Paper

Measuring the Tolerance of the State: Theory and Application to Protest

By: Veli Andirin, Yusuf Neggers, Mehdi Shadmehr and Jesse M. Shapiro

We develop a measure of a regime's tolerance for an action by its citizens. We ground our measure in an economic model and apply it to the setting of political protest. In the model, a regime anticipating a protest can take a costly action to repress it. We define the... View Details

Keywords: Political Protests; Modeling And Analysis; Government and Politics; Conflict and Resolution