The house-money effect -people´s tendency to be more daring with easily-gotten money- is abehavioral pattern that poses questions about the external validity of experiments in economics: to what extent do people behave in experiments like they would have in a real-life situation, given that...

There is abundant empirical evidence testing models where comparative advantage arises from firm heterogeneity. As of today it is relatively clear who exports and why a firm decides to export. But, what determines the survival of a firm in the export market? This paper exploits a detailed...

Relatively little has been said on economic policy by participants in the debate on the realisticness of assumptions in economic models. What has been said is that a `Friedmanian´ methodology which accepts unrealistic assumptions and is only concerned with correct predictions is appropriate...