Although most empirical studies conclude that uncertainty delays firms' investments based on real options theory, empirical evidence regarding the impact of uncertainty on innovation is mixed. This study examines the impact of geopolitical risk (GPR) on corporate research and development (R&D)...

This study analyses the risk dependence of international stock portfolio based on three risk metrics, namely, the portfolio expected return, CVaR, and the Sharp ratio. The portfolio is optimised under both multivariate GARCH models (DCC and GO-CARCH) and the copula approaches (Student t...

Recent work in international finance suggests that the forward premium puzzle can be accounted for if (1) aggregate uncertainty is time-varying, and (2) countries have heterogeneous exposures to a world aggregate shock. We embed these features in a standard two-country real business cycle...