In this paper, we construct and estimate a unified model combining three of the main sources of cross-country income disparities: differences in factor endowments, barriers to technology adoption and the inappropriateness of frontier technologies to local conditions. The key components of our...

We study the effects of offshoring on wages, welfare and inequality through its impact on technology. To this end, we introduce directed technical change into a model of task-based production and offshoring. A unique final good is produced by combining a skilled and an unskilled intermediate...

We discuss a unified theory of directed technological change and technology adoption that can shed light on the causes of persistent productivity differences across countries. In our model, new technologies are designed in advanced countries and diffuse endogenously to less developed countries....

To study the short-run and long-run implications on wage inequality, we introduce directed technical change into a Ricardian model of offshoring. A unique final good is produced by combining a skilled and an unskilled product, each produced from a continuum of intermediates (tasks). Some of...

We study a dynamic general equilibrium model where innovation takes the form of the introduction of new goods whose production requires skilled workers. Innovation is followed by a costly process of standardization, whereby these new goods are adapted to be produced using unskilled labor. Our...

We study the short- and long-run implications of offshoring on innovation, technology adoption, wage and income inequality in a Ricardian model with directed technical change. In our model, profit maximization determines both the extent of offshoring and the direction of technological progress....

We study the short- and long-run implications of offshoring on innovation, technology adoption, wage and income inequality in a Ricardian model with directed technical change. A unique final good is produced by combining a skilled and an unskilled product, each produced from a continuum of...

We study a dynamic general equilibrium model where innovation takes the form of the introduction of new goods whose production requires skilled workers. Innovation is followed by a costly process of standardization, whereby these new goods are adapted to be produced using unskilled labor. Our...

We analyze recent contributions to growth theory based on the model of expanding variety of Romer (1990). In the first part, we present different versions of the benchmark linear model with imperfect competition. These include the "lab equipment" model, "labor-for-intermediates" and "directed...

We construct an endogenous growth model incorporating Nelson and Phelps' insight that human capital and technology are complementary. By assuming that new technologies can initially be operated by skilled labor only, we formalize the idea that the payoff to human capital is positive only if...