Forthcoming Articles

I study product diversity in presence of search costs and groups of consumers. I find that groups with heterogeneous tastes create a leverage effect on competition, so that a large majority of...

This paper studies differential pricing by an upstream monopolist whose cost to supply the intermediate good differs across buyers in the downstream. It is shown that, different from demand-based...

In markets where price dispersion is prevalent the relevant question is not what happens to the price when the number of firms changes but, instead, what happens to the whole distribution of...

Between 2005 and 2008, 19 of the 50 states of the U.S. reformed the franchising process for cable television, significantly easing entry into local markets. Using a difference-in-differences...

We identify two issues in Choi's (2010) paper on tying in two-sided markets published in this Journal, and provide solutions to both of them. First, we point out that the equilibrium in the...

I study the role of minimum bid increments (MBI) in internet auctions using natural field experiment data from a Finnish online auction site Huuto.net. Internet auctions are typically viewed as...

Collusion has often been alleged in industries where long-lived capacity investments are important. This article develops a computational duopoly model with capacity investments, demand shocks and...

We model firm adaptation to local factor markets in which firms care about both the price and availability of inputs. The model is estimated by combining firm and population census data, and...

This paper characterizes the optimal investigation and leniency policies when the Competition Authority is privately informed about the strength of a cartel case. We show that the Competition...