This study uses the time-varying parameter/stochastic volatility vector autoregression (TVP-SV-VAR) model to explore the impact of uncertainty risk on oil prices. Economic policy uncertainty and geopolitical risk were used as proxy variables for economic and political uncertainty risk. The study...

Immigrants in economies with a dominant native language exhibit substantial heterogeneities in language acquisition of the majority language. We model partial equilibrium language acquisition as an equilibrium phenomenon. We consider an environment where heterogeneous agents from various...

The COVID-19 pandemic is a global crisis which has witnessed consumers experiencing significant anxiety provoked by the threats to their health and even lives. Meanwhile, consumers have been observed to make more ethical purchases since the start of the pandemic. Drawing on literature on terror...