Empirical analysis of financial data such as the daily, weekly or monthly prices of assets such as bonds, stocks, currencies and commodities have shown that asset prices approximately follow a martingale process, but the distribution of asset returns tend to be fat-tailed. This paper examines...

I assess time-series return predictability using a weighted least squares estimator that is around 25% more efficient than ordinary least squares (OLS) because it incorporates time-varying volatility into its point estimates. Traditional predictors, such as the dividend yield, perform better in-...

We develop an estimator for publication bias and apply it to 156 hedge portfolios based on published cross-sectional return predictors. Publication bias adjusted returns are only 12% smaller than in-sample returns. The small bias comes from the dispersion of returns across predictors, which is...

This paper examines the long‑term dependence between the Polish and German stock markets in terms of industry beta risk estimates according to the Capital Asset Pricing Model (CAPM). The main objective of this research is to compare the Polish and German beta parameters of five Polish and...

Employing the SEC Tick Size Pilot Program that increases the minimum trading unit of a set of randomly selected small-capitalization stocks, we examine whether and how an exogenous change in stock liquidity affects corporate voluntary disclosure. Using difference-in-differences analyses with...

We show that firms with higher stock liquidity engage less in extreme (i.e., either overly aggressive or overly conservative) tax avoidance. The effect of stock liquidity on tax avoidance is economically meaningful, is robust across alternative measures of tax avoidance and stock liquidity, and...

China's stock market has gone through major structural changes since its inception in early 1990s. In this survey article, we review the empirical literature that document these important structural changes and published in 15 leading accounting and finance journals from 1998 to 2013. In...

We investigate the relationship between private firms’ disclosures and the demand for the equity of their publicly traded peers. Using data on the global movement of public equity, we find that a one standard deviation increase in private firm disclosure transparency – proxied by the number...

We investigate the relationship between private firms’ disclosures and the demand for the equity of their publicly traded peers. Using data on the global movement of public equity, we find that a one standard deviation increase in private firm disclosure transparency – proxied by the number...

High-frequency trading has become a dominant force in the U.S. capital market, accounting for over 70% of dollar trading volume. This study examines the implication of high-frequency trading for stock price volatility and price discovery. I find that high-frequency trading is positively...