A structural gravity model is used to estimate barriers to services trade across many sectors, countries, and time. Since the disaggregated output data needed to infer border barriers flexibly are often missing for services, this paper derives a novel methodology for projecting output data. The...

"Most empirical policy work requires the aggregation of policies. Trade policy aggregation exemplifies the aggregation problem poignantly, with thousands of highly dispersed trade barriers. This paper provides methods of policy aggregation that are consistent with two common objectives of...

Most empirical policy work requires the aggregation of policies. Trade policy aggregation exemplifies the aggregation problem poignantly, with thousands of highly dispersed trade barriers. This paper provides methods of policy aggregation that are consistent with two common objectives of...