Using daily abnormal currency returns for the universe of countries with flexible exchange rates, we document local currency depreciations ahead of unscheduled, public, sovereign debt downgrade announcements. Consistent with the private information hypothesis, the effect is stronger in lower...

This paper addresses the information asymmetry between Chinese local A-share and foreign B-share markets and its impact on the B-share discount puzzle, contingent upon Chinese stock market liberalization reforms in 2001 and 2002. In contrast with the widespread notion that domestic investors are...

I build a model where creditworthy countries may use fiscal austerity to communicate their ability to repay sovereign debt and show that the signaling channel is active only for high levels of asymmetric information. The model generates a negative association between the amount of public...

In addition to quantitative financial information, qualitative verbal information has also been continuously changing. In this study, we clarify the information contents of changes in qualitative verbal information. As an analyzable sample, we focus on textual opinion in analyst reports. The...

Machine learning (ML) algorithms utilize the power of computers to solve tasks that are beyond the grasp of classical statistical methods. However, ML is often perceived as a black-box, hindering its adoption. This seminar demonstrates the use of Shapley values to interpret the outputs of ML...

Multiple shocks have led regulators and policy makers to put increasing faith in the diagnostic and prophylactic powers of international financial standards, but the nature, appropriateness and normative force of such standards varies. As a standard setter, the International Organization of...

The False Strategy theorem tells us that the optimal outcome of an unknown number of historical simulations is right-unbounded — with enough trials, there is no Sharpe ratio sufficiently enough to reject the hypothesis that a strategy is false. Given the ease with which one can use a computer...

We study a unique Chinese dataset of equity analysts' on-site visits to publicly listed companies. We find that analyst silence (no release of report from visit date to the next quarterly earnings announcement) contains information that negatively impacts both stock returns and earnings...