We construct a utility-based model of fluctuations, with nominal rigidities and unemployment, and draw its implications for the unemployment-inflation tradeoff and for the conduct of monetary policy.<br><br>We proceed in two steps. We first leave nominal rigidities aside. We show that, under a standard...

Rather than decrease firing costs across the board, a number of European countries have allowed firms to hire workers on fixed-duration contracts. At the end of a given duration, these contracts can be terminated at little or no cost. If workers are kept on however, the contracts become subject...

We explore two issues triggered by the crisis. First, in most advanced countries, output remains far below the pre-recession trend, suggesting hysteresis. Second, while inflation has decreased, it has decreased less than anticipated, suggesting a breakdown of the relation between inflation and...