The efficient-market hypothesis (EMH) is one of the most important economic and financial hypotheses that have been tested over the past century. Due to many abnormal phenomena and conflicting evidence, otherwise known as anomalies against EMH, some academics have questioned whether EMH is...

Studies of emerging stock market anomalies are based on underspecified models. Extreme bound analysis (EBA), a technique to remedy specification bias, indicates that no anomaly is robust, given panel data covering sixteen countries from March 1988 through January 1995. Only under a relaxed...

We study the effect of country-specific noise on stock price comovement. Using a sample of dual-listed stocks, we show that the effect persists over time for some largest A-shares traded in China, but diminishes quickly for their H-shares traded in Hong Kong. We then examine whether the noise...