This paper examines the propagation of monetary shocks in a two-good optimizing macromodel where domestic banking activity is costly and the non-tradable sector is highly dependent on domestic bank credit, as in most emerging market economies. The model develops the Bernanke-Blinder “credit...

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...