We investigate the extent to which the liquidity of listed stocks is affected by the market structure under which stockbrokers provide a combination of stock trading, research, and investment banking services. Six market structures of differing degrees of competitiveness are identified for...

This first cross-country analysis of the causes of corruption in religious organizations provides evidence in support of policy recommendations by Adam Smith. He argued that clergy are best constrained by competition among religious groups. Their appointment and promotion should, however, be...

Supermarkets play a limited but increasingly important role in Latin-America groceries retail markets. Traditional grocery retailers still play a substantial role in most Latin American countries and the penetration of supermarkets is still behind the developed countries. Paradoxically, within...

This paper develops a simple spatial model of fund-raising, in which charities select a target population to solicit donations. First, we show that in a competitive charity market without any intervention, the number of charities in the market and/or the overall net funds raised by charities may...

Big companies and small innovation factories possess different advantages in a patent contest. While large firms typically have a better access to product markets, small firms often have a superior R&D efficiency. In this paper I model a patent contest with asymmetric firms. In a pre-contest...

Many high technology goods are based on standards that require access to several patents that are owned by different IP holders. We investigate the royalties chosen by IP holders under different market structures. Vertical integration of an IP holder and a downstream producer solves the double...

In this paper we examine the effect of cooperation between complementary incumbent monopolists on consumer welfare. While divided technical leadership makes it difficult for firms to integrate into complementary markets, firms induce entry in complementary markets by reducing the cost of entry...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

This paper examines the role of software piracy in digital platforms where a platform provider makes a decision of how much software to produce in-house and how much to outsource from a third-party software provider. Using a vertical differentiation model, we theoretically investigate how piracy...