The remaining useful life (RL) is also used in the calculation. The production function in this economy is.Raising equity capital involves selling additional shares of a company's stock to new investors, who will become shareholders in the company. Which Form Should You File? Investment is an addition to the capital stock. Investment may occur as a net addition to capital or as a replacement of depreciated capital. This paper reconsiders the traditional approach to human capital measurement in the study of cross-country income differences. The multi-service, modular design of InVEST provides an effective tool for balancing the environmental and economic goals of these diverse entities. As such, Minnesota must reorient its economic objectives toward the productivity side of the equation. Economy. One may calculate the initial human capital stock in a similar way, for instance as.