Essentially, but it doesn't limit itself to the "working class". For example one of the problems of today's Italy is the north/south split in productivity (the

Essentially, but it doesn't limit itself to the "working class". For example one of the problems of today's Italy is the north/south split in productivity (the "true value of labor"), but no accompanying split in minimum wage. The effect is very large (youth) unemployment in the south of the country.