This study employs panel smooth transition regression (PSTR) models with different lagged variables of earnings components as regressor to evaluate earnings persistence effects. The models can resolve collinearity problems between predictors, reflect firms' volatile or irregular earnings streams...

This paper investigates the threshold effects on the impacts of fundamentals (i.e., incomes, exchange rates, oil prices, and import-weighted distances) on China's trade balances with the G7 countries between 1975 and 2010 by using a panel smooth transition regression (PSTR) model with the...