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Previous findings by Martinez have raised an important question, which this work contributes to solve: if over time a positive correspondence between productivity and surplus-value rate can be observed ?why then do underdeveloped countries show higher surplus-value rates than developed countries? Based on econometric analysis, cluster analysis and fixed effect panel analysis evidence is supporting that groups of less productive countries have higher or at least not lower surplus-value rates than those corresponding to more productive groups of countries. Nevertheless, it is also shown that over time or within the groups there is a correlation between productivity and surplus-value rate. A feasible explanation of such national differences of surplus-value rate is examined considering organic composition of capital. ?How does importing means of production affect such a composition and hence surplus-value rate in underdeveloped countries? An account is examined based on value theory and such composition is estimated in the case that means of production are imported.

mareukeuseujuui yeongu/ma'leu'keuseu juui yeon'gu

Differences in Surplus-value Rates between Developed and Underdeveloped Countries : An analysis based on differences in productivity and capital composition