data on tariffs and trade covering 130 countries. We show that regionalism has delivered limited effective liberalization …

Natural resources account for 20% of world trade, and dominate the exports of many countries. Policy is used to …

world markets. To explain higher protection in sectors where a large share is imported from these countries, we extend the …

Recent quantitative trade models treat import tariffs as pure cost shifters so that their effects are similar to … iceberg trade costs. We introduce revenue-generating import tariffs, which act as demand shifters, into the framework of … quantification based on countries' observed degrees of openness, tariff revenues, and on the gravity elasticities of tariffs and …

. Therefore, the current trend of reduction in tariffs on agricultural exports not only generates a positive welfare effect in the …

country's relative size or relative average productivity. Furthermore, in the two-country Nash equilibrium, tariffs turn out … to be strategic substitutes. Small or poor economies set lower Nash tariffs than large or rich ones. Lower transportation … costs or smaller fixed market entry costs induce higher equilibrium tariffs and larger welfare losses relative to the case …

WTO negotiations deal predominantly with bound - besides applied - tariff rates. But, how can reductions in tariffs … from the real options literature; doing so we highlight the important role of bound tariffs at the extensive margin of … trade. We find that bound tariffs are more effective with higher risk destination markets, that a large binding overhang may …

Historically, tariffs have been an attractive policy tool to protect domestic industries. The benefits of such a policy …

. We calibrate such a model to China's trade with the rest of the world and explore two country tariff games using 2005 …