While tariff walls fall within Europe's Common Market, new barriers often rise to replace them. Suddenly exposed to an influx of their neighbors' goods that offers strong competition to local products, the members of the Six have found ingenious and devious ways to hamper their economic rivals and counter the spirit of free trade that prompted the establishment of the Common Market six years ago. Everyone, of course, blames the other fellow, and accusations of weaseling or violations of law can be heard in every member nation.
Last week Common Market officials, eager to eliminate arbitrary and sub rosa...