We analyse the impact of relaxing rules of origin (ROOs) in a simple setting with heterogeneous firms that buy intermediate inputs from domestic and foreign sources. In particular, we consider the impact of switching from bilateral to diagonal cumulation when using preferences (instead of paying...

This paper is concerned with rules of origin when intermediate goods aredifferentiated. An analytical model emphasizes trade patterns and the relativeimportance of trade in intermediates given trade preferences. Econometric evidencebased on intra-OECD trade in motor vehicles and motor vehicle...

The economics of geographical indications (GIs) is assessed within a vertical product differentiation framework that is consistent with the competitive structure of agriculture. It is assumed that certification costs are needed for GIs to serve as (collective) credible quality certification...