This book's title betrays at once that it belongs in the forecast literature. Peering into the future is a notoriously treacherous venture. Nevertheless, it has become a prac tice endemic to the business and government worlds as well as to academia, especially economics. We like to be lieve that the enormous growth of forecasting in the face of some disappointments reflects real needs of decision makers (as well as the general public's well-warranted curiosity about the future). Fashion alone could hardly explain the sustained increase in the market for forecast services during the past few...