Posted by D. Daniel Sokol
Liqiu Zhao (KU Leuven) discusses Price Competition versus Externalities
ABSTRACT: Agglomeration can affect markups through two potential channels: agglom- erated regions toughen competition (price competition effect) and firms are more productive on average in agglomerated regions (agglomeration exter- nalities and firm selection effect). However, the literature is inconclusive on which force dominates. This paper models these two channels by in- troducing agglomeration economies to the model of Melitz and Ottaviano (2008). Under parameters from the empirical studies, I demonstrate that the price competition effect tends to dominate the others, i.e., firms in more agglomerated regions charge lower markups. Using a unique Chinese firm-level data from 2002 to 2004, I investigate the effect of spatial agglomeration on markups of firms. By addressing the potential endogeneity problems us- ing instrumental-variable method, I find that in China an increase in the number of own-industry firms in the same region has a negative causal effect on markups of firms and a positive effect on productivity. But firms in agglomerated regions have higher output and profit.
Featured News
Redfin Settles $9.2M Commission Inflation Lawsuits
May 7, 2024 by
CPI
DOJ Supports Colorado’s Efforts to Block Kroger-Albertsons Merger
May 7, 2024 by
CPI
Japan Considers Regulation of AI Developers
May 7, 2024 by
CPI
European Commission Extends Decision Deadline for Ita-Lufthansa Merger
May 7, 2024 by
CPI
UK, US and Australia Sanction Senior Leader of LockBit Cybercrime Gang
May 7, 2024 by
CPI
Antitrust Mix by CPI
Antitrust Chronicle® – Economics of Criminal Antitrust
Apr 19, 2024 by
CPI
Navigating Economic Expert Work in Criminal Antitrust Litigation
Apr 19, 2024 by
CPI
The Increased Importance of Economics in Cartel Cases
Apr 19, 2024 by
CPI
A Law and Economics Analysis of the Antitrust Treatment of Physician Collective Price Agreements
Apr 19, 2024 by
CPI
Information Exchange In Criminal Antitrust Cases: How Economic Testimony Can Tip The Scales
Apr 19, 2024 by
CPI