We study the importance of sunk costs in determining entry conditions and inferences about firm conduct in an adapted Bresnahan and Reiss (1991, 1994) framework. In our framework, entrants incur sunk costs to enter, while incumbents disregard these costs in deciding on continuation or exit. We...

We extend Bresnahan and Reiss’s (1991) model of local oligopoly to allow firm entry and exit over time. In our framework, entrants have to incur sunk costs in order to enter a market. After becoming incumbents, they disregard these entry costs in deciding whether to continue operating or to...

We study the importance of sunk costs in determining entry conditions and inferences about firm conduct in an adapted Bresnahan and Reiss (1991, 1994) framework. In our framework, entrants incur sunk costs to enter, while incumbents disregard these costs in deciding on continuation or exit. We...

Past empirical literature provides strong evidence that competitionincreases when new firms enter a market. However, rarely have economistsbeen able to examine how competition changes with the threat of entry.This paper uses the evolution of the zip code level market structure offacilities-based...

We extend Bresnahan and Reiss’s (1991) model of local oligopoly to allow firm entry and exit over time.In our framework, entrants have to incur sunk costs in order to enter a market. After becomingincumbents, they disregard these entry costs in deciding whether to continue operating or to...