“…The relation between policy uncertainty and economic activity has received increased attention from academics and policymakers in recent years (for recent work on this topic, see An et al., 2016; Bonaime et al., 2018; Gulen & Ion, 2016; Jens, 2017; Jiang & Cheng, 2021; Julio & Yook, 2012; Kaviani et al., 2020; Pastor & Veronesi, 2013; Wang et al., 2014; Zhang et al., 2018). The chief economist of Vanguard Group, Joseph Davis, calls the corrosive effect of policy‐related uncertainty on a firm's willingness and ability to invest an “uncertainty tax.” The research on policy uncertainty focuses on political elections or uses a broad metric based on general economic conditions.…”