In this paper we estimate a model of production and investment based on the theory of dynamic duality and are particularly Interested in the effects of R&D spillovers and in calculating the social and private rates of return. We identify and estimate three effects associated with the...

In this paper we review a number of analytical methods and issues related to identifying and estimating the source of productivity growth. The two major methods used in measuring productivity growth -- index number and econometric estimation approach -- are briefly discussed. Substantive issues...

Using data from the U. S. Bureau of Economic Analysis for the period 1947-2015, we estimate investment equations for three types of fixed assets and three policy instruments. In particular, we disaggregate investment into structures, equipment and intangibles, and the policy instruments into the...