method to study merger effects on firm entry and product variety in the retail craft beer market in California. We simulate … an acquisition of multiple craft breweries by a large brewery and find that the acquisition would induce firm entry and …

America West Airlines - US Airways merger completed in 2005. We find that although average prices increased substantially on … routes in which both airlines competed either on a non-stop or one-stop basis prior to the merger, substantial average price … reductions observed for routes without any premerger overlap suggest that the merger led to a net increase in consumer welfare. …