Park, Joon Y.; Chung, Heetaik - Econometric Society - 2004
is shown that the nonstationarity of volatility in the regression errors may induce spuriousness of the underlying … nonstationary volatility is present in the errors. Mild nonstationary volatilities do not render the underlying regression spurious … relevancy of the model and theory developed in the paper. For this purpose, examined are US consumption function, EURO …