Due to its long-lasting internal armed conflict, Colombia has witnessed a rupture in social networks. The network composition was altered for municipalities with high in- or out-flows of displaced individuals, in addition to the individual impact on the displaced. We use a controlled laboratory...

We study the role of status in an experimental Principal-Agent game.Status is awarded to subjects based on either talent or luck. In each randomly matched principal-agent pair, the principal chooses the agent's status-contingent piece rate for a task in which talent matters for performance (an...

Testosterone administration appears to make individuals less trusting, and this effect was interpreted as an adaptive adjustment of social suspicion, that improved the accuracy of trusting decisions. Here we consider another possibility, namely that testosterone increases the subjective cost of...

We test the hypothesis that "genuine" or "convincing" smiling is a costly signal that has evolved to induce cooperation in situations requiring mutual trust. Potential trustees in a trust game made video clips for viewing by potential trusters before the latter decided whether to send them...

The capacity to trust wisely is a critical facilitator of success and prosperity, and it has been conjectured that people of higher intelligence were better able to detect signs of untrustworthiness from potential partners. In contrast, this article reports five Trust Game studies suggesting...

We present the results of an experiment measuring social preferences within couples in a context where intra-household pay-off inequality can be reduced at the cost of diminishing household income. We measure social norms regarding this efficiency-equality trade-off and implement a cross-country...

Investment behavior is traditionally investigated with the assumption that it is on average advantageous to invest. However, this may not always be the case. In this paper, we experimentally studied investment choices made by students and financial professionals facing alternately an...