Introduction: China is facing significant health care challenges, not only with infectious diseases but also with the burden of chronic diseases. Particularly in rural China, its residents are facing serious problems in seeking health care services due to their limited healthcare resource and...

Forecasting oil prices has been of great interests for macroeconomists in the recent years. Our article contributes to this strand of the literature by using a dynamic model averaging (DMA) method to improve forecasting accuracy of real oil prices. The advantage of DMA is that the method...

This study examines the impact of truncation, i.e., the unavailability of extremely deep-out-of-the-money option quotes, on the model-free implied moment estimators of Bakshi et al. (2003) and suggests how truncation should be controlled for implied higher moment estimation. We show that...

External imbalance is a central variable in international economics and recent research shows it is priced in currency portfolios. But Ang et al. (2017), among others, show that with a small and time-varying cross section, tests with individual assets are preferable. We find testing with...