Eine Sache, die sich versteht (1971) 1971, Documentary, West Germany Eine Sache, die sich versteht (1971) Duration: 1H4M Description: An educational film about an aspect of political economy. The concepts of use value, barter value and labor as a commodity are the subjects; helping us understanding the theory of value of work and the law of values, alienation an….. Trailer ↗ West Germany 1971 Documentary