Although the EC’s Generalized System of Preferences has been in force since July 1, 1971, vagueness still prevails with regard to the question to what extent the system has contributed to the lowering of tariff barriers and of what service it has thus been as a tool for the promotion of...

During the 1950s and early 1960s the trading interests of the US and the EC generally coincided, with the result that tariff negotiations could be held successfully. Since that time the interests of the US and the EC have diverged somewhat, and pressures for increased protection have arisen.