This paper revisits the debate about the appropriate differential equation that governs the evolution of knowledge in … the evolution of knowledge is plausible if it satisfies two asymptotic conditions: Looking forwards, infinite knowledge in … finite time should be excluded, and looking backwards, knowledge should vanish towards the beginning of time (but not before …

We study the gains from trade in an economy with oligopolistic competition, firm heterogeneity, and innovation …. In addition to markups, selection and innovation provide additional channels through which the trade-induced effect on … channels; we find that innovation plays a small but non-negligible role, while the main component is equally split between the …

We study the gains from trade in a model with oligopolistic competition, heterogeneous firms and innovation, and … concentration contributes substantially to the gains from trade, mostly via its stimulating effect on innovation. Sizeable gains …

expensive and innovation investments that increase labor productivity are more profitable. We incorporate this channel in a new …

We study the link between public enforcement of property rights, innovation investments, and economic growth in an …