1. Permanent income, current income, and consumption;Campbell,1987
2. Consumption, income, and interest rates: Reinterpreting the time series evidence;Campbell,1989
3. Testing the autocorrelation structure of disturbances in ordinary least squares and instrumental variables regressions;Cumby,1990
4. Two-step two-stage least squares estimation in models with rational expectations;Cumby;Journal of Econometrics,1983
5. The permanent income hypothesis and the real interest rate;Mankiw;Economics Letters,1981