Are retaliatiory tariffs politically targeted and, if so, are they effective? Do countries designing a retaliation response face a trade-off between maximizing political targeting and mitigating domestic economic harm? We use the recent trade escalation between the US, China, the European Union...

We study the effects of unexpected changes in trade policy uncertainty (TPU) on the U.S. economy. We construct three measures of TPU based on newspaper coverage, firms' earnings conference calls, and aggregate data on tari rates. We document that increases in TPU reduce investment and activity...

In this paper we examine the empirical relevance of three prominent endogenous protection models. Is protection for sale, or do altruistic policy makers worry about political support? We find strong evidence that protection is indeed for sale. The important new result is, however, that not only...