• Publications
  • Influence
The Economics of Two-Sided Markets
Broadly speaking, a two-sided market is one in which 1) two sets of agents interact through an intermediary or platform, and 2) the decisions of each set of agents affects the outcomes of the otherExpand
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Dynamics of Consumer Demand for New Durable Goods
This paper specifies and estimates a dynamic model of consumer preferences for new durable goods with persistent heterogeneous consumer tastes, rational expectations about future products and repeatExpand
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Competition between Networks: A Study of the Market for Yellow Pages
This paper estimates the importance of network effects in a particular market, the market for Yellow Pages. Expand
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Patents and the Performance of Voluntary Standard-Setting Organizations
This paper measures the technological significance of voluntary standard setting organizations (SSOs) by examining citations to patents disclosed in the standard setting process. Expand
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*An Empirical Analysis of Payment Card Usage
I exploit a unique data set on the payment card industry to study issues associated with network effects and two-sided markets. I show that consumers concentrate their spending on a single paymentExpand
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Unobserved Product Differentiation in Discrete Choice Models: Estimating Price Elasticities and Welfare Effects
This document is a supplement to Ackerberg and Rysman (2005). In that paper, we discuss problems with standard techniques for discrete choice estimation in the context of consumers that faceExpand
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Competition and Price Discrimination in Yellow Pages Advertising
This paper examines the effect of competition on second degree price discrimination in display advertising in Yellow Page directories. Recent theoretical work makes conflicting predictions about theExpand
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Coordination vs. Differentiation in a Standards War: 56k Modems
56K modems were introduced under two competing incompatible standards. We show the importance of competition between Internet Service Providers in the adoption process. We show that ISPs were lessExpand
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Patents and the Performance of Voluntary Standard Setting Organizations
Voluntary standard-setting organizations (SSOs) are a common feature of systems industries, where firms supply interoperable components for a shared technology platform. These institutions promoteExpand
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