The standard measures of distress risk ignore the fact that firm defaults are correlated and that some defaults are more likely to occur in bad times. We use risk premium computed from corporate credit spreads to measure a firm’s exposure to systematic variation in default risk. Unlike...

This study examines whether the “Sell in May and Go Away” (or Halloween) trading strategy still offers an opportunity to earn abnormal returns. In contrast to prior studies, we consider sample periods during which adequate investment instruments were available for an effective implementation...

This study examines the return and volatility behaviour of Borsa Istanbul Real Estate Investment Trusts (REITs) Index and Borsa Istanbul 100 (BIST 100) Index. It focuses on three main points. First, we search whether there are variations in index returns and volatilities by days of the week,...

This paper reports on two experiments that test the descriptive validity of ambiguity models using a natural source of uncertainty (the evolution of stock indices) and both gains and losses. We observed violations of probabilistic sophistication, violations that imply a fourfold pattern of...

I analyze a model with heterogeneous investors who have incorrect beliefs about fundamentals. Investors think that they are right at first, but over time realize that they are wrong. The speed of the realization depends on investor confidence in own beliefs and arrival of new information. The...

Berkshire Hathaway has realized a Sharpe ratio of 0.76, higher than any other stock or mutual fund with a history of more than 30 years, and Berkshire has a significant alpha to traditional risk factors. However, we find that the alpha becomes insignificant when controlling for exposures to...

Any security’s expected return can be decomposed into its “carry” and its expected price appreciation, where carry is a model-free characteristic that can be observed in advance. While carry has been studied almost exclusively for currencies, we find that carry predicts returns both in the...

This paper provides empirical evidence of the impact of hedge funds on asset markets. We construct a simple measure of the aggregate illiquidity of hedge fund portfolios, and show that it has strong in- and out-of-sample forecasting power for 72 portfolios of international equities, corporate...

Several studies have focused on the relationship between the R2 and the firm value. They have tried to explain how different values of R2 affect the firm value. In this paper we examine this relationship for the Greek companies listed on the Greek Stock Exchange, analyzing a sample of 135 listed...

Stock markets and betting markets co-exist for professional soccer clubs listed on the London Stock Exchange.For each firm, two pieces of information are released to the stock market on a weekly basis from August to June: experts expectations about game outcomes through the betting odds, and the...