In this paper we propose exact likelihood-based mean-variance efficiency tests of the market portfolio in the context of Capital Asset Pricing Model (CAPM), allowing for a wide class of error distributions which include normality as a special case. These tests are developed in the framework of...

We combine self-collected historical data from 1867 to 1907 with CRSP data from 1926 to 2012, to examine the risk and return over the past 140 years of one of the most popular mechanical trading strategies - momentum. We find that momentum has earned abnormally high risk-adjusted returns - a...

We create proxies for constrained supply of lendable shares by combining unique data on loan fees, stock lending activity, and failures to deliver to examine how contrarian short-sale strategies are affected by constraints. Constraints affect roughly one-third of the cross- section of stocks and...

CNN Money developed the original US Stock Market Fear and Greed Index in 2012, using seven data points to measure stock market performance. The ability of the Fear and Greed Index to impact on future values of the various stock indices appears to be dependent on the observation period and the...

Utilising a comprehensive sample of U.S. and Chinese macroeconomic news announcements, we determine that volatility in commodity prices is significantly impacted by news regarding U.S. economic output (Industrial Production) and Chinese producer prices (PPI). Much of this effect appears to be...

In this study, we investigate the impact of political uncertainty on Bitcoin. Introducing the U.S. federal election cycle as a proxy for political uncertainty, we find that (i) an increase in political uncertainty leads to a decrease in Bitcoin return, (ii) political uncertainty has the...

Using text from 200 million pages of 13,000 US local newspapers and machine learning methods, we construct a 170-year-long measure of economic sentiment at the country and state levels, that expands existing measures in both the time series (by more than a century) and the cross-section. Our...

Significant differences persist among the European Union and the United States in the regulation of issuers’ disclosure obligations on material corporate information. Lawmakers on either side of the Atlantic strive to pursue the same goals of market transparency and efficiency. However, in the...

We examine the announcement effects of consumer sentiment on US stock and stock futures markets. First, we find that the consumer sentiment announcement has valuable information content. Second, an asymmetric response is observed for “good” versus “bad” sentiment news. Specifically, when...