In the transition from the feudal-corporate order to industrial capitalism, German and British producers adopted contrasting definitions of the workers' conveyance of labor as an abstract, quantifiable substance. These definitions of labor as a commodity structured techniques of manufacture and discipline in the early factory systems of Germany and Britain. The contrasting understandings of labor also shaped the dynamics of capital investment and workers' understandings of exploitation in each country before the First World War. Recast as an analysis of the (...) cultural assumptions of capitalist practice, Marx's theory of labor values offers powerful, empirically demonstrable predictions. (shrink)