Security threats have moved neighbouring countries to form regional integration arrangements (RIAs), including the European Coal and Steel Community (ECSC, 1951), the EEC (1957), and various RIAs among developing countries. This paper shows that an RIA – together with domestic taxes – is an...

We construct a three-country, two-bloc, multi-product trade model in which tariff agreements between customs union members are binding whereas inter-bloc tariff agreements are self-enforcing. Our main objective is to explore how the liberalization of trade between customs union members (i.e. the...