Book excerpt: Experts define, review, and evaluate economic fluctuations Economic and business uncertainty dominate today's economic analyses. This new Encyclopedia illuminates the subject by offering 323 original articles on every major aspect of business cycles, fluctuations, financial crises, recessions, and depressions. The work of more than 200 experts, including many of the leading researchers in the field, the articles cover a broad range of subjects, including capsule biographies of leading economists born before 1920. Individual entries explore banking panics, the cobweb cycle, consumer durables, the depression of 1937-1938, Otto Eckstein, Friedrich Engels, experimental price bubbles, forced savings, lass-Steagall Act, Friedrich hagen, qualitative indicators, use of macro-econometric models, monetary neutrality, Phillips Curve, Paul Samuelson, Say's law, supply-side recessions, James Tokin, trend and random wages, Thorstein Veblen, worker-job turnover, and more.