Publications

March 2008
Course Overview Note

Dynamic Markets

By: Joshua D. Coval and Erik Stafford

The Dynamic Markets course at Harvard Business School is organized around the hands-on application of financial decision making in a wide variety of capital market settings. The course relies heavily on in-class simulations of a range of market settings where students... View Details

Keywords: Value Creation; Decision Making; Capital Markets; Competitive Strategy; Profit; Applications and Software; Information; Strategy; Price; Outcome or Result; Curriculum and Courses; Theory

July 2006
Article

Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows

By: Ramon Casadesus-Masanell and Pankaj Ghemawat

This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details

2003
Working Paper

Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows

By: Ramon Casadesus-Masanell and Pankaj Ghemawat

This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details

Keywords: Business Model; Competition; Open Source Distribution; Balance and Stability; Applications and Software; Network Effects; Duopoly and Oligopoly

summer 2003
Article

Patents, Invalidity, and the Strategic Transmission of Enabling Information

By: James J. Anton and Dennis A. Yao

The patent system encourages innovation and knowledge disclosure by providing exclusivity to inventors. Exclusivity is limited, however, because a substantial fraction of patents have some probability of being ruled invalid when challenged in court. The possibility of... View Details

Keywords: System; Innovation and Invention; Knowledge Dissemination; Courts and Trials; Competition; Patents; Corporate Disclosure

Purchase

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

1986
Working Paper

Price Competition with a Distribution of Switch Costs and Reservation Prices

By: Jerry R. Green and Suzanne Scotchmer

When there is a distribution of switch costs and of reservation prices for a good, and marginal cost of producing the good is zero, equilibrium in pure price strategies may (and sometimes must) exhibit price dispersion. Equilibrium may or may not exist, and there may... 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

Article

Temporary General Equilibrium in a Sequential Trading Model with Spot and Futures Transactions

By: Jerry R. Green

The existence of an equilibrium is proven for a two-period model in which there are spot transactions and futures transactions in the first period and spot markets in the second period. Prices at that date are viewed with subjective uncertainty by all traders. This... View Details

Keywords: Equilibrium; Sequential Trading; Econometric Models

Forthcoming
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

Forthcoming
Article

Dynamic Competition for Customer Memberships

By: Cristian Chica, Julian Jimenez-Cardenas and Jorge Tamayo

A competitive two-period membership (subscription) market is analyzed. Two symmetric firms charge a “membership” fee that allows consumers to buy products or services at a given unit price for both periods. Firms can choose between long- or short-term memberships. When... View Details

Keywords: Competitive Price Discrimination; Membership; Dynamic Competition; Competition; Price; Consumer Behavior; Business Model