In the 40’s and early 50’ two decision theories were proposed and have since dominated the sceneof the fascinating field of decision-making. In 1944 – when von Neumann and Morgenstern showedthat if preferences are consistent with a set of axioms then it is possible to represent these...

If (often costly) election campaigns are simply advertising, they do not increase social welfare directly. Given this, should we limit campaign expenditures? We propose that costly campaigns can inform voters about the strength of candidates. This may increase welfare indirectly by helping...

In most instances of collective decision-making, it cannot be expected that all persons who are entitled to vote will end up doing so. This has led institutional designers, out of concerns with the “legitimacy” of decisions, to introduce quorum requirements. A prominent example of this can...

Journalism is widely believed to be crucial for holding elected officials accountable. At the same time economic theory has a hard time providing an instrumental explanation for the existence of "accountability journalism". According to the common Downsian reasoning, rational voters should not...

This paper studies the relationship between party discipline and discretionary spending with theory and data. We propose a theoretical model in which a politician faces a conflict between her constituents' interests and the party line. Party loyalty is electorally costly for the politician and...

We show that a large electorate of ignorant voters can succeed in establishing high levels of electoral accountability. In our model an incumbent politician is confronted with a large number of voters who receive very noisy signals about her performance. We find that the accountability problem...