Global imports subject to pre-shipment inspections (PSI) - a practice under which imports need to undergo a third party review process before shipment - shrank from 700 bn USD in 2010 to 87 bn in 2018. However, only little is known about the trade impact of such procedures, which on the one hand...

Trade elasticity is a crucial parameter in evaluating the welfare impacts of changes in trade frictions. The value of this parameter varies widely across product categories, however, which is especially important for developing countries' evaluation of the welfare gains from trade. We estimate,...

Using a gravity-type model to explain bilateral passenger traffic, this paper estimates the impact of liberalizing air transport services on air passenger flows for a sample of 184 countries. We find robust evidence of a positive and significant relationship between the volumes of traffic and...