Galeotti, Marzio; Castelnuovo, Efrem; Gambarelli, Gretel; … - 2003
took a popular integrated assessment model and modified it so as to allow for an explicit role of the stock of knowledge … which accumulates through R&D investment. In our formulation knowledge affects both the output production technology and the …. In keeping with recent theories of endogenous growth, we specify two ways in which knowledge accumulates: via a …