We construct a tractable general equilibrium model of cumulative innovation and growth, in which new ideas strictly … the rate of innovation, as well as a separate optimal required inventive step that maximizes welfare, with the former …

We build and estimate a structural dynamic general equilibrium model of growth and trade. Trade affects growth through …, growth affects trade, directly through changes in country size and indirectly through altering the incidence of trade costs …. Theory translates into an intuitive econometric system that identifies the causal impact of trade on income and growth, and …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …

introduce a new framework, which combines trade and growth theory into a tractable tool for quantitative research. Our …

We develop a model of vertical innovation in which firms incur a market entry cost and choose a unique level of quality … equilibrium of the pricing game exists and is unique within our setup. Exogenous productivity growth induces firms to enter the …

enhance convergence of the growth rates of trading economies. In contrast, reductions in transportation costs of non …