In many industrialized countries, the grocery-retailing sector exhibits a strong and increasing market concentration. Hence, it is important to understand retail pricing for many questions related to market power in the marketing chain and to agricultural and food policies. We analyze...

Since their implementation at the Uruguay Round, tariff rate quotas (TRQs) have become a widely used instrument of trade policy in agricultural trade. With almost 1300 TRQs scheduled at the WTO, it seems worthwhile to examine their economic effects more closely. This is what this paper does....