Park, Joon Y.; Chung, Heetaik - Econometric Society - 2004
regression reduces to a spurious regression. Roughly, this occurs when the heteroskedas-
ticity becomes explosive and strong, and …
for the OLS estimator becomes faster. There is no possibility that NNH in the errors
induces the spurious regression. This … and phrases: volatility, nonstationary nonlinear heteroskedasticity, regression
with heteroskedastic errors, spurious …