marginal productivity
1.Empirical study of marginal productivity of IT capital and optimal investment size of commercial banks based on data of 12 commercial banks from 1997～2005 shows that: marginal productivity of IT capital of our commercial banks is positive and subject to banking size and time;
2.Since it completely rules out the research structure about specific economic system and capitalistic economic relationships, neoclassic marginal productivity theory, taking the leading position of modern economics, is frequently made public in the form of logical paradox in "Cambridge capital argument" launched by new Cambridge school.
3.But if the discount factors employed by the members are positive correlated with their total incomes in the firm, even if the adjustment of compensation distribution schedule has no impact on the collective productivity of the firm, it can destroy the total value of the firm, and the compensation distribution adjustment ground on the difference among marginal production rates of the members of the firm can create value only when the difference is significant in some level.
