When a country grants preferential tariffs to another, either reciprocally in a free trade
agreement (FTA) or unilaterally, rules of origin (RoOs) are defined to determine whether a …

This paper presents a new global tariff database covering tariffs at the six-digit product level
for 197 importing countries and their trading partners for 30 years, namely 1988 to 2017. I …

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 …

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 …

Did preferential access to the US market durably boost African manufacturing export
performance? To address this question, this chapter uses product-level data that take …

Trade has skyrocketed over the past two centuries. While in 1820 world trade accounted for
only 20% of world GDP this share almost tripled by 2016 and increased to 56%. 1 With trade …

This paper presents a new global tariff database covering tariffs at the six-digit product level
for 197 importing countries and their trading partners for 30 years, namely 1988 to 2017. I …