This paper estimates a model of a government making trade policy adjustments under a self-enforcing trade agreement in the presence of economic shocks. The empirical model is motivated by the formal theories of cooperative trade agreements. The authors find evidence that United States' use of...

Is there evidence from China's pre-WTO accession period that newly imposed U.S. or EU import restrictions deflect Chinese exports to third markets? The authors examine this question by drawing on a newly constructed data set of U.S. and EU product-level import restrictions on Chinese trade...

This paper estimates the impact of aggregate fluctuations on the time-varying trade policies of thirteen major emerging economies over 1989–2010; by 2010, these WTO member countries collectively accounted for 21% of world merchandise imports and 22% of world GDP. We examine determinants of...

This research estimates the impact of macroeconomic fluctuations on import protection policies over 1988:Q1-2010:Q4 for the United States, European Union, and three other industrialized economies. First, estimates on a pre-Great Recession sample provide evidence of three key relationships for...

This paper estimates the impact of aggregate fluctuations on the time-varying trade policies of 13 major emerging economies over 1989-2010. By 2010, these World Trade Organization member countries collectively accounted for 21 percent of world merchandise imports and 22 percent of world gross...

Background Recently, the endovascular treatment (EVT) of acute ischemic stroke has made significant progress in many aspects. Intravenous thrombolysis (IVT) is usually recommended before endovascular treatment in clinical practice, but the value of the practice is controversial. The latest...