In January 2014, Mexico addressed its epidemic of obesity by implementing an excise tax of 1 peso (1 MXN) per liter on soft drinks. This study evaluates the pass-through of the tax, the influence on the tax of competition among different stores, and the after-tax price dispersion. Using an...

This paper formalizes an empirically implementable framework for the definition of local antitrust markets in retail markets. This framework rests on a demand model that captures the trade-off between distance and pecuniary cost across alternative shopping destinations within local markets. The...

On September 4, 1996, the two largest office superstore chains in the United States, Office Depot and Staples, announced their agreement to merge. Seven months later, the Federal Trade Commission voted 4 to 1 to oppose the merger on the grounds that it was likely to harm competition and lead to...

When the theory of two-sided markets was first introduced it was common to hear a theory of everything, and therefore nothing, since everything seems to be two-sided. One of the problems with two-sided market analysis is that is hard to find formal limiting principles to market definition since...

This paper formalizes an empirically implementable framework for the definition of local antitrust markets in retail markets. This framework rests on a demand model that captures the trade-off between distance and pecuniary cost across alternative shopping destinations within local markets. The...

In January 2014, Mexico addressed its epidemic of obesity by implementing an excise tax of 1 peso (1 MXN) per liter on soft drinks. This study evaluates the pass-through of the tax, the influence on the tax of competition among different stores, and the after-tax price dispersion. Using an...

This paper provides a comprehensive discussion of the deterrence properties of a competition policy regime. On the basis of the economic theory of law enforcement we identify several factors that are likely to affect its degree of deterrence: 1) sanctions and damages; 2) financial and human...

We examine antitrust rules in a two county general equilibrium trade model, contrasting national and multilateral (cooperative) determination of competition policy, exploring the properties of the policy equilibrium. It is not imperfect competition, but variation in competitive stance between...

We investigate the impact of competition policy enforcement on the functioning of European energy markets, and how sectoral regulation influences these outcomes. For this purpose, we compile a new dataset on the European Commission’s (EC) and EU member states’ competition policy decisions,...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...