Externalities play a central role in most theories of economic growth. We argue that international externalities, in … have international knowledge externalities. When calibrated, the hybrid model does a surprisingly good job of generating …

In this paper I develop a positive theory of intergenerational transfers. I argue that transfers are a means to induce … aggregate output is higher if the elderly do not work. I model this idea through positive externalities in the average stock of … human capital: because skills depreciate with age. one implication of these externalities is that the elderly have a …

In this paper I develop a positive theory of intergenerational transfers. I argue that transfers are a means to induce … aggregate output is higher if the elderly do not work. I model this idea through positive externalities in the average stock of … human capital: because skills depreciate with age. one implication of these externalities is that the elderly have a …

consistency and a more theory- oriented perspective. Consequently, the system concept itself seems to be a kind of "boundary … of contemporary research in defining functional and spatial boundaries in theory and empirical research. Agglomeration … tendencies, knowledge externalities and localized learning are primarily based upon the concepts of knowledge diffusion, tacit …