Three years ago, very few economists would have imagined that one of the newest and fastest growing research areas in international trade is the use of quantitative trade models to estimate the economic welfare losses from dissolutions of major countries' economic integration agreements (EIAs)....

This paper argues that the 'competitive liberalisation' of national governments of the past several decades reflects national governments' expectations of larger trade impacts from regional economic integration agreements (EIAs) than typical ex ante economic models have suggested. Moreover, we...