We analyze recent contributions to growth theory based on the model of expanding variety of Romer [Romer, P. (1990). “Endogenous technological change”. Journal of Political Economy 98, 71–102]. In the first part, we present different versions of the benchmark linear model with imperfect...

Recent evidence on world trade patterns reveals North-South specialization across products of the same industries and product groups but different quality, which is not matched by the predictions of traditional and new trade theory. This paper analyzes a model of North-South trade and endogenous...

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 'labequipment' model, labor-for-intermediates' and 'directed...

By using alternative intra-industry trade models (1. - New goods cannot be introduced into the economy; 2. - The possibility for a set of capital goods available in the economy to vary; the models consider the existence of intersectoral linkages), I show by means of Applied General Equilibrium...

By using alternative intra-industry trade models (1. - New goods cannot be introduced into the economy; 2. - The possibility for a set of capital goods available in the economy to vary; the models consider the existence of intersectoral linkages), I show by means of Applied General Equilibrium...

Growth and business cycles have a long tradition of being studied separately. However, events such as the Great Recession raise concerns that severe downturns may have detrimental implications for growth. If so, what policies may help alleviate such long-lasting effects of large recessions? To...

In this paper, we develop a multi-country open economy extension of the famous Big Push model for a closed economy by Murphy et al. (1989). We show under which conditions the global economy in our model is caught in a poverty trap, characterised by a low-income equilibrium from which an escape...

This chapter reviews and integrates much of what has been learned on the processes of technological evolution, their main features, and their effects on the evolution of industries. First, we map and integrate the various pieces of evidence concerning the nature and structure of technological...

This paper studies the effect of competition on firm innovation by developing a discrete-time endogenous growth model where multi-product firms do two types of innovation subject to friction in technology spillovers. Firms improve their existing products through internal innovation while...

What is a disruptive innovation? This study confronts this question here by presenting different approaches, which endeavor to explain the dynamic behavior of disruptive technologies in competitive markets. Firstly, this study introduces destructive technology as a radical innovation, based on...