Some analysts see the expansion of the 1990s as uniquely long and strong. Moreover, according to one popular view, the noninflationary boom can continue indefinitely. To shed some light on this debate, this paper compares the 1990s systematically with two previous long economic expansions, using...

Long business expansions have repeatedly generated expectations of self- perpetuating prosperity, yet it is clear that such popular forecasts always proved wrong eventually. Few business cycle peaks are successfully predicted; indeed, most are publicly recognized only with lengty delays. Analysts...

The disputes over the prospects for the current U.S. expansion reopen the issue of the causes of business cycles. A recurrent concern about the present is that expectations of business profits and market returns may be outrunning the economy's potential to deliver. The theory presented in this...

Have macroeconomic forecasts grown more or less accurate over time? This paper assembles, examines, and interprets evidence bearing on this question. Contrary to some critics, there are no indications that U.S. forecasts have grown systematically worse, that is, less accurate, more biased, or...

This survey outlines the evolution of thought leading to the rrecent delopments in the study of business cycles.The subject is almost coextensive with short-term macrodynamics and has a large interface withmeconomics of growth, money, inflation, and expectations.The coverage is therefore both...

What is the role of foresight, and the significance of the lack of foresight under uncertainty, in the theory of business cycles ? What relevant evidence on these questions can be extracted from the survey data on agents' expectations and experts' forecasts? To provide some answers, the recent...

This paper presents extensive results from testing for bias and serially correlated errors in a large collection of quarterly multiperiod predictions from surveys conducted since 1968 by the National Bureau of Economic Research and the American Statistical Association. The tests of the joint...

This paper reports on a comprehensive study of the distributions of summary measures of error for a large collection of quarterly multiperiod predictions of six variables representing inflation, real qrowth, unemployment,and percentage changes in nominal GNP and two of its more volatile...