In economics, the standard approach to language is that talk is cheap. Here, instead, language is a social convention that affects utility. Unless language is used in its ordinary sense, it cannot help to coordinate actions because there is no way of decoding it. This points to a unique...

La política fiscal es el resultado de un proceso de decisión colectivo. Este proceso está más institucionalizado en las democracias constitucionales donde es clave la competencia electoral entre partidos para definir qué políticas se van a llevar a cabo. Si bien el votante mediano es...

Politicians have multiple principals. We investigate the weights that politicians put on the revealed preferences of their constituents, special interest groups and party when deciding on legislative proposals. Preferences of constituents, special interest groups and parties are directly...

In economics, the standard approach to language is that talk is cheap. Here, instead, language is a social convention that affects utility. Unless language is used in its ordinary sense, it cannot help to coordinate actions because there is no way of decoding it. This points to a unique...

This paper develops a semiotic-inferential model of verbal communication for incomplete information games: a language is seen as a set of conventional signs that point to types, and the credibility of a message depends on the strategic context. Formally, there is an encoding-decoding step where...

Under asymmetric information, dishonest sellers lead to market unraveling in the lemons model. An additional cost of dishonesty is that language becomes cheap talk. We develop instead a model where people derive utility from actions (what they say), as well as from outcomes, so talk is costly....