Solution (WITS), and selection bias from dropping tariffs when no trade is recorded. I develop a novel interpolation algorithm …

Many studies use tariffs to measure changes in trade policy. This paper shows that standard sources for tariffs suffer … from substantial measurement error due to misreporting and the resulting false imputation: Countries fail to report tariffs … every year and missing data are more prevalent for preferential than for most favored nation (MFN) tariffs. WITS, the main …

This paper presents a new global tariff database covering tariffs at the six-digit product level for 197 importing … data and misreporting, almost doubling the number of available tariffs from 2.9 to 5.7 billion. The improvement in the data … tariffs around the world improving our understanding of how countries set tariffs substantially. …

principle, tariffs could be an effective deterrent for weak protections for intellectual property. Moreover, weakening … enforcement may be a strong deterrent for raising tariffs. These results combined indicate that there is scope for international …

that offsetting effects on the newly imposed tariffs were substantial. …

This paper studies the macroeconomic impact of higher tariffs using a two-country DSGE model with endogenous trade and … heterogeneous firms. The analysis consists of two scenarios. First, we assume that one country increases tariffs while the other … does not. Second, both countries raise tariffs. In the first case, the country that did not raise tariffs suffers an …

to the elimination of tariffs and cuts in non-tariff measures by 25%, is in the range of 1% to 4% of initial consumption …

to the elimination of tariffs and cuts in non-tariff measures by 25%, is in the range of 1% to 4% of initial consumption …