We analyse households’ responses to an unanticipated change in consumption opportunities and evaluate their implications for the nature and formation of preferences. We study the tariff experiment conducted by South Central Bell where local telephone measured tariffs were introduced for the...

Organizational economics predicts that communication patterns within an organization should reflect the relative value of their members to the organization. We propose to measure the impact factor of an agent by applying the Invariant Method–also known as Google’s PageRank algorithm–to...

We exploit an incentive change in professional soccer leagues aimed at encouraging more attacking and goal scoring to obtain evidence on the effect of stronger incentives on productive and destructive effort. Using as control the behavior of the same teams in a competition that experienced no...