Abstract This paper formalizes the difference between firms, nonprofits, and cooperatives and identifies optimal organizational choice. In a model of quality provision, we find a clear ranking of quality produced: Firms provide lowest and nonprofits highest levels of quality. Efficiency,...

Should mergers among nonprofit organizations be regulated differently than mergers among for-profit firms? The relevant empirical literature is highly controversial, the theoretical literature is scarce. We analyze the question by modeling duopoly competition with quality-differentiated goods....

Economic articles are published very slowly. We believe this results from the poor incentives referees face. We recommend that an auction market replace the current, push system for submitting papers and demonstrate that our proposed market has a stable, Pareto-improving equilibrium. Besides the...

We analyze the capacities of communities (or social networks) and courts to secure cooperation among heterogeneous, impersonal transactors. We find that communities and courts are complementary in that they tend to support cooperation for different types of transactions but that the existence of...

I discuss the design and implementation of a SSNIP test in order toidentify the relevant market in a media market. I argue that in such atwo-sided market the traditional SSNIP test cannot be applied as it isusually conceived but rather should be modified in order to take intoaccount indirect...

We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of the market. We then use an original dataset on the Italian...

We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of the market. We then use an original dataset on the Italian...