This paper extends the classical Chow (1960) test for structural change in linear regression models to a wide variety of nonlinear models, estimated by a variety of different procedures. Wald, Lagrange multiplier-like, and likelihood ratio-like test statistics are introduced. The results allow...

The effects of the changing U.S. age distribution on various macroeconomic equations are examined in this paper. The equations include consumption, money demand, housing investment, and labor force participation equations. Seven groups are analyzed: 16-19, 20-24, 30-39, 40-54, 55-64, and 65+....

The information contained in the forecasts from two econometric models can be compared by regressing the actual change in the variable forecasted on the two forecasts of the change. We do such comparisons in this paper, where the forecasts are based only on information through the period prior...

This paper uses data on companies that have been in the S&P 500 index since 1957 to examine whether risk aversion has decreased since 1995. The evidence suggests that it has not. There is no evidence that more risky companies have had larger increases in their price-earnings ratios since 1995...