Information costs and regulatory barriers are the main distinguishing features of international financial markets as compared to national financial markets. This paper presents a simple model of the impact of these factors on banks' cross-border activities and provides empirical evidence. Our...

We investigate the ambiguity spillover among international equity markets. We follow Brennan and Izhakian (2018) and develop monthly ambiguity measures using high-frequency trading data of equity indices. The ambiguity spillover demonstrates noticeable asymmetry. The US equity market is the...