Controversy has prevailed since the problem of "transforming" values into prices first emerged in the late 19th century. Progress has, regrettably, been hampered by attempts to "vindicate" Marx's work exactly, rather than treating him as a pioneer upon whom his successors must build, using the...

The labor theory of value has been rejected by Morishima on the grounds that it would be incompatible with joint production, which would create negative labor values. This article starts by recalling the various definitions of joint production, as well as the way they relate to the real world....