Market access negotiations in merchandise trade at the multilateral level cover tariffs and non-tariff measures (NTMs). While tariffs have been substantially reduced in earlier rounds, they remain high in certain areas and further reductions involve a number of complex technical issues. Some...

This paper shows that governments have no incentive to introduce non-tariff barriers when they are free to set tariffs but they do when tariffs are determined cooperatively. We then show three results. First, with trade liberalization, there is a progression from u sing tariffs only to quotas,...