When we disclose information, we may also communicate information about information. The listener learns not only X but also that the speaker knows X. And the speaker also learns by speaking (for example, the speaker knows that the listener knows X). In this paper we present a series of examples...

In this paper, we show that a firm that sells a bundle of complementary products will have a substantial advantage over rivals who sell the component products individually. Furthermore, this advantage increases with the size of the bundle. Once there are four or more items, the bundle seller...

The economic theory of bundling has moved from the classroom and academic journals to the public policy arena. Its debut was dramatic. On July 3, 2001, the European Commission blocked the $42 billion merger between GE and Honeywell. A primary reason for their objection to this combination was a...

Home equity is the single largest component of household wealth for the majority of American households. Yet, there is virtually no way for the average family to insure itself against drops in home value and the ensuing destructive financial loss. Much of U.S. housing policy has focused on...

This paper presents an empirical and theoretical investigation of the strategic components to political participation. Using state-by-state voting data for the eleven U.S. Presidential elections, 1948-1988, we first show that voter turnout is a positive function of predicted closeness and a...

In Cournot's model of complements, the producers of A and B are bothmonopolists. This paper extends Cournot's model to allow for competitionbetween complements on one side of the market. Consider two complements,A and B, where the A + B bundle is valuable only when purchasedtogether. Good A is...

Economic theory offers two different approaches to the analysis of group formation and the role of institutions. The general equilibrium approach explores the influence of the economic environment on the formation of groups. The game theoretic approach runs in the opposite direction; it explores...