The consumption and investment function estimates are shown. The paper discusses the notions of extended production function and total factor productivity (TFP). The TFP represents the impacts of new technologies being endogenized, as well as human capital. The discussion covers the measurement issues and explanation of the role of domestic and foreign R&D expenditures, as well as educational expenditures. The price and wages equations as well as incomes explaining the expenditures close the model. The discussion is extended to include proposals to construct new submodels explaining the sectors of research and education and also the ICT industries, as well as the ecological issues.
Keywords: Knowledge economy, technical progress, production functions, total factor productivity, R&D expenditures, human capital