Using monthly data from January 1998 to May 2021, this study investigates the asymmetric impact of global economic policy uncertainty on international grain prices by using nonlinear autoregressive distribution lag (NARDL). We find that there is a positive relationship between global economic...

This study investigates the impact of economic policy uncertainty (EPU) on macro price divergence in China. We use the time-varying parameter vector auto regressive model with latent thresholds (LT-TVP-VAR) to examine the nonlinear causality relationship. Our findings suggest when the EPU rises,...