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...

The Slovenian transition represents a slow but steady liberalization of constraints on competition. Using a unique longitudinal data set on all manufacturing firms in Slovenia over the period 1994-2001, this study analyzes how firm efficiency changed in response to changing competitive...