The simple answer to both questions in the title of this paper is: No. We concentrate on the three main risk elements that contributed to the banking system’s difficulties during the crisis: increasing dollarization of the balance sheet, expanding exposure to the government, and, eventually,...

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...