this paper argues that the true cause of the endogeneity bias that allegedly appears when estimating production functions, and which the literature has tried to deal with since the 1940s, is s imply the result of omitted-variable bias due to an incorrect approximation to an accounting identity....

This paper considers the implications of the conceptual difference between the rental price of capital, embedded in the neoclassical cost identity (output equals the cost of labour plus the cost of capital), and used in growth accounting studies; and the profit rate, which can be derived from...

This paper shows that unit labor costs (ulcs), the most widely used measure of competitiveness, can be interpreted as the labor share in output multiplied by a price-adjustment factor. This has three main implications. First, ulcs are not just a technical concept since they embody the social...

This comment raises three main issues about He and Qin's (2004)attempt at modeling investment in the PRC. The first is this author's skepticism about the general applicability of the neoclassical model of investment to the PRC. Second, that their model for business investment, based on the...