There have been numerous studies concerning productivity, representing two general approaches toward measuring the concept. Parametric approaches specify the actual form of the production function based on theoretical assumptions, while non-parametric approaches use empirical best-practice cases...

The 45 region - 50 commodity - 5 primary factor version of the Global Trade Analysis Project's [GTAP] database provides us with the splits of total labor payments into skilled and unskilled labor-presupposing substitution possibilities between them. Given the skilled labor payment shares of the...