The event study or event study method (ESM) is an empirical technique for capturing
investors' reaction to an event affecting one or more publicly traded firms. The ESM has …

Should the economic recovery from the 2019 novel coronavirus disease (COVID-19) be
green? The current crisis is so severe that we should not take the answer for granted. It …

Donald Trump's 2016 election and his nomination of climate skeptic Scott Pruitt to head the
Environmental Protection Agency drastically downshifted expectations about US policy …

Uncertainty surrounding if and when the US government will implement a federal climate
policy introduces risk into the decision to invest in capital used in conjunction with fossil …

Uncertainty over government policy affects important and irreversible decisions, including
firm technology adoption, entry, and exit. The real options literature has found that higher …

Republicans start more firms than Democrats. In a sample of 40 million party-identified
Americans between 2005 and 2017, we find that 6% of Republicans and 4% of Democrats …

We propose a method for identifying exposure to changes in trade policy based on asset
prices that has several advantages over standard measures: it encompasses all avenues of …

Abstract Changes in political leadership drive sharp changes in public policy and partisan
beliefs about the future. We exploit the surprise 2016 election of Trump to identify the effects …

We build and estimate a dynamic, structural model of the world oil market to quantify the
impact of the shale revolution. We model the shale revolution as a decrease in shale …

Using stock market responses to drug development announcements, we measure the $\textit
{value of pharmaceutical drug innovations} $ by estimating the market values of drugs. We …