Donald Trump's election and his nomination of Scott Pruitt, a climate skeptic, to lead the Environmental Protection Agency drastically downshifted expectations on US climate-change policy. We study firms' stock-price reactions and institutional investors' portfolio adjustments after these...

The Tax Cut and Jobs Act (TCJA) slashed corporations' median effective tax rates from 31.7% to 20.8%. Nevertheless, 15% of firms experienced an increase. One fifth of firms recorded nonrecurring tax costs or benefits exceeding 3% of total assets. Proxies that existing studies employ to assess...

Managers conducting earnings conference calls display distinctive styles in their word choice. Some CEOs and CFOs are straight talkers. Others, by contrast, are vague talkers. Vague talkers routinely use qualifying words indicating uncertainty, such as "approximately", "probably", or "maybe"....

Stock prices react significantly to the tone (negativity of words) managers use on earnings conference calls. This reaction reflects reasonably rational use of information. "Tone surprise" - the residual when negativity in managerial tone is regressed on the firm's recent economic performance...

A principal provides budgets to agents (e.g., divisions of a firm or the principal's children) whose expenditures provide her benefits, either materially or because of altruism. Only agents know their potential to generate benefits. We prove that if the more "productive" agents are also more...

Superstition is a widespread phenomenon. We empirically examine its impact on health-related behavior and health outcomes. We study the case of the Taiwanese Ghost Month. During this period, which is believed to increase the likelihood of bad outcomes, we observe substantial adaptions in...