I document that emerging markets have cast off their “original sin” – their external liabilitiesare no longer dominated by foreign-currency debt and have instead shifted sharply towardsdirect investment and portfolio equity. Their external assets are increasingly concentrated inforeign...

We compare behavior in modified dictator games with and without role uncertainty. Subjects choose between a selfish action, a costly surplus creating action (altruistic behavior) and a costly surplus destroying action (spiteful behavior). While costly surplus creating actions are the most...

We compare behavior in modified dictator games with and without role uncertainty. Subjects choose between a selfish action, a costly surplus creating action (altruistic behavior) and a costly surplus destroying action (spiteful behavior). While costly surplus creating actions are most frequent...

If mate choice is costly, an individual may reduce the costs of choice by observing and copying the mate choice of others. Although copying has received much attention during the past 10 years, evidence of copying is not very strong, partly because of problems with distinguishing copying from...

In the pipefish Syngnathus typhle sex roles are reversed, that is, females compete more intensely than males over mates. However, competition over mates among individuals of one sex does not necessarily prevent members of that same sex from being choosy, and choosiness in the other sex does not...