players with stronger signals may experiment after those with weaker signals. We show that in this more general environment …

times of stress. To test this hypothesis, we pharmacologically increase levels of the stress hormone cortisol, after which … participants complete laboratory experiments with coethnics and noncoethnics. We find mixed evidence that increased cortisol … decreases prosocial behavior. Coethnic preferences do not vary with cortisol. However, in contrast to previous studies, we find …

two strategies toward that end: imitation and innovation. The theory bears predictions about the evolution of the …

This paper develops a North-South product model in which Southern imitation and the North-South flow of foreign direct … imitation, which, in turn, increases the flow of FDI. The increase in FDI more than offsets the decline in production undertaken …

which Northern innovation, Southern imitation, and FDI are all endogenous. Our model predicts that IPR reform in the South …

We analyze the effects on consumers of an extreme policy experiment -- Napsterizing' pharmaceuticals -- whereby all …