We investigate to what extent genuine social preferences can explain observed other-regarding behavior. In a dictator game variant subjects can choose whether to learn about the consequences of their choice for the receiver. We find that a majority of subjects showing other-regarding behavior...

The Government of Colombia imposes a variety of taxes that must be paid by individual wage earners, called in their entirety "social protection contributions". Since 2007 individual payments have been collected using an on-line mechanism. In order to improve compliance, the Government used a...