This essay discusses some things we have learned about markets, in the process of designing marketplaces to fix market failures. To work well, marketplaces have to provide thickness, i.e. they need to attract a large enough proportion of the potential participants in the market; they have to...

This paper analyses quality discrimination when the monopolist provides two types of qualities for two-types of users, for example, in the software market. The users using software are confronted with two types of quality in using the software: one is related to learning, while the other is...

This study investigates the autoregressive conditional heteroscedasticity (ARCH) and generalized-ARCH (GARCH) effects in the price series of Australian South-East Fishery's quota species. It is found that in all cases significant ARCH and/or GARCH effects are present. To search for the origins...

Ranking have become increasingly popular on markets for study programs, restaurants, wines, cars, etc. This paper analyses the welfare implication of such rankings. Consumers have to make a choice between two goods of unknown quality with exogenous presence or absence of an informative ranking....

We develop a tractable model of competition among motivated MFIs. We find that equilibria may or may not involve double-dipping (and consequently default), with there being double-dipping whenever the MFIs are very profit-oriented. Moreover, in an equilibrium with double-dipping, borrowers who...

We study information disclosure in standard auctions where bidders preferences are horizontally differentiated, whose valuations depend on the matching between the product attribute and their preferences. The seller may reveal product information in the form of partition prior to the auction....

We study an asymmetric all-pay auction with a general utility function. We show that high-type bidders in all-pay auction with lower density, are bidding more aggressively than bidders with higher density. This result is contradictory to the result in Parreiras and Rubinchik (2010) on aggressive...

This paper analyzes consumer inattention in the market of checking accounts. I examine the behavior of consumers who keep account tariffs that are dominated, i.e. that charge higher costs for any amount of bank services consumed through the account, by tariffs available at the same bank and...

Nuclear meltdown in Japan and civil society strife across the Middle East highlight the degree to which resilience is core to international peace and security. This article considers the means by which communities can become increasingly resilient through shared best practices across a range of...

Independent of the left-right model of ideological structure, genetically modified organisms (GMOs) in food and agriculture are resented across the political spectrum in Switzerland. In the absence of any real experience with genetically modified (GM) food but faced with continuous exposure to...