We analyze third degree price discrimination by an upstream monopolistto a continuum of heterogeneous downstream firms. The novelty of ourapproach is to recognize that customizing prices may be costly, whichintroduces an interesting trade-off. As a consequence, partial pricediscrimination arises...

I use a unique data set of retail food prices to analyze mergers between supermarket chains. The data allow for an examination of the effects of mergers on prices, the frequency of promotions, and the depth of promotions. I find that increases in a chain’s share of the total US food sales are...

Casual empiricism suggests higher quality is associated with greater variety. However, recent theoretical and empirical research has either not considered this link, or has been unable to establish unambiguous predictions about the relationship between quality and variety. In this paper we...

Casual empiricism suggests higher quality is associated with greater variety. However, recent theoretical and empirical research has either not considered this link, or has been unable to establish unambiguous predictions about the relationship between quality and variety. In this paper we...

The paper investigates competition in price schedules among vertically differentiated producers. First order price discrimination leading to personalized prices is the perfect equilibrium of the two-stage game where firms choose at the first stage to commit or not to a uniform price and compete...

Casual empiricism suggests higher quality is associated with greater variety. However, recent theoretical and empirical research has either not considered this link, or has been unable to establish unambiguous predictions about the relationship between quality and variety. In this paper we...

Cross-country variability in regulatory frameworks, industrial policy, physician/pharmacy autonomy, brand/generic distinctions, and in the practice of medicine contributes to ambiguous interpretations of pharmaceutical cost comparisons. Here we report cross-country comparisons that: (i) focus on...

Many studies have attempted to investigate the determinants and implications of competition in the banking industry. The literature on the measurement of competition can be divided between the structural and non-structural approaches. The structural approach infers the degree of competition from...

This paper rigorously investigates the determinants of bank competition for 146 countries over the sample period 1999–2011. The results employing both the Lerner index and the Boone indicator, reveal the distinctive characteristics of the competition drivers across different income groups of...