International travel is a key channel of international knowledge diffusion and has been hypothesized to shape large cross-country differences in productivity and income. However, evidence supporting this hypothesis, especially from developing countries, remains scarce. This paper examines the...

The COVID-19 pandemic has disrupted global trade and production. It has affected firms' operations directly and indirectly through their production networks. To cope with the crisis, many firms have allowed their employees to work from home. This study examines whether firms more exposed to the...

Pitch-based soft carbons, with tunable microstructure and low cost, hold great potential as anodes for potassium-ion batteries (PIBs). However, the sluggish storage kinetics and unsatisfying cycle life hinder their practical applications. In addition, low softening point pitch has been seldom...