Using a news-based index of aggregate policy uncertainty in the US economy, we document a strong negative relation between policy uncertainty and corporate risk-taking. We show that high levels of policy uncertainty are associated with significantly lower future stock return volatility at the...

This Article reports results of an empirical study that suggests that the current economic crisis has changed managerial behavior in the US in a way that may impede economic recovery. The study finds a strong, statistically significant and economically meaningful, positive correlation between...

Since its first occurance in January 2020 COVID-19 has spread globally. In order to contrain the COVID 19, China has adopted a zero-covid policy and consequently contributed to local economic crises in the form of slowed industry growth. Consequentily in the first Quarter of 2020, this crisis...

Using a large sample of U.S. stocks covering more than three decades, we empirically test common criticisms of and rationales for stock repurchases. Repurchases account for a tiny fraction of the trading volume in a typical stock, making their price impact too small to facilitate short term...

This article examines the Proper Purpose Rule and the Exercise of Directors' Power in the recent JKX case as decided by the UK Supreme court. The decision of the JKX case now represents the leading Common law authority on the interpretation and application of the Proper Purpose Rule (the Rule or...

Based on the evidence after the outbreak of SARS in 2003, which is caused by the same family of viruses as COVID-19, we show that due to the “probability weighting” phenomenon, i.e., decision makers tend to overweight the probability of extreme tail events, the epidemic experience induces...

Does who makes government policy matter to CEOs? Using data on the birthplace of US CEOs, I show that CEOs who were born in blue (Democrat) states display overconfidence when there is a Democratic president, whereas CEOs who were born in red (Republican) states display overconfidence when there...

Purpose-The existence of optimism as a personal psychological characteristic of managers is a necessity in contemporary economy and decision making, although the phenomenon of over-optimism may lead to unfavourable outcomes. The purpose of this study is to examine the optimism bias and its...

Using hand-collected data on divisional managers at conglomerates, we find that a change in industry surplus in one division generates large spillovers on managerial payoffs in other divisions of the same firm. These spillovers arise only within the boundaries of a conglomerate but not between...

Purpose: The purpose of this paper is to examine the impact of managerial optimism on corporate investment regarding the financially constrained firms for the case of Greece. Taking as a fact that managers principally are optimistic and often overconfident an effort is made to highlight the...