We study circuit breakers in a fragmented, multi-market environment and investigate whether a coordination of circuit breakers is necessary to ensure their effectiveness. In doing so, we analyze 2,337 volatility interruptions on Deutsche Boerse and research whether a volume migration and an...

This working paper was written by Kalok Chan (Chinese University of Hong Kong Business School), F.Y. Eric Lam (Independent Researcher)*, Giorgio Valente (Hong Kong Institute for Monetary and Financial Research) and Siyuan Wu (Chinese University of Hong Kong Business School).Trading venues have...

Market efficiency is examined in three forms: weak form, semi-strong form and strong form and each one deals with a different source of information. 1. Weak form efficient market - the prices of securities fully reflect all historical information and no excess returns can be earned by utilising...

This paper examines stock market reaction to the earnings announcements by taking December 2001 quarter earnings announcement as an event. The study is based on 152 companies having minimum 20 percent foreign holdings. The companies are divided into, good news, bad news and overall portfolios....

In this study, we used event study methodology to examine stock price reactions to quarterly earnings announcement. The study is based on a sample of 146 companies listed on Bombay Stock Exchange and December 2000 quarterly earnings announcements are taken event. The abnormal performance is...

We analyze the effects of a recent financial reform that enables cross-market investment between Hong Kong and Shanghai stock exchanges. Using a vector error-correction model, we find that the reform announcement considerably narrows the equilibrium level of price disparity and strengthens the...

In this paper we analyze the link between stock market performance and macroeconomic performance for a large number of countries. We study the short-run and long-run relationships and find that stock market returns do not coherently predict future macroeconomic changes for the majority of...

This paper examines the spillover effects of the US economic policy uncertainty (EPU) on the UAE stock market volatility. The empirical analysis is mainly conducted using a novel approach based on combining the Diebold and Yilmaz (2014) connectedness index with the time-varying parameter vector...

This article is based on a lecture at Nihon College of Law in Tokyo and draws on William K.S. Wang & Marc I. Steinberg, Insider Trading (Oxford University Press 3d ed. 2010); and William K.S. Wang, Stock Market Insider Trading: Victims, Violators, and Remedies–Including an Analogy to Fraud in...

This study examines the cross-sectional impact of the 2008 short sale ban on the returns of U.S. financial stocks. Motivated by the large cross-sectional variation in the extent to which banned stocks suffer an illiquidity shock, we hypothesize that stocks with larger liquidity declines are...