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Innovation and growth in the global economy
Traditional growth theory emphasizes the incentives for capital accumulation rather than technological progress. Innovation is treated as an exogenous process or a by-product of investment inExpand
Quality Ladders in the Theory of Growth
We develop a model of repeated product improvements in a continuum of sectors. Each product follows a stochastic progression up a quality ladder. Progress is not uniform across sectors, so anExpand
Economic Growth and the Environment
Using data assembled by the Global Environmental Monitoring System we examine the reduced-form relationship between various environmental indicators and the level of a country's per capita income.Expand
Protection for Sale
We develop a model in which special interest groups make political contributions in order to influence an incumbent government's choice of trade policy. In the political equilibrium. the interestExpand
Incomplete Contracts and the Product Cycle
I present a model in which the incomplete nature of contracts governing international transactions limits the extent to which the production process can be fragmented across borders. Because ofExpand
Informative Advertising with Differentiated Products
In this paper we study the role of promotional expenditures by sellers in a model of product differentiation. Advertising conveys full and accurate information about the characteristics of products.Expand
Special Interest Politics
This landmark theoretical book is about the mechanisms by which special interest groups affect policy in modern democracies. Defining a special interest group as any organization that takes action onExpand
Quality Ladders and Product Cycles
We develop a two-country model of endogenous innovation and imitation in order to study the interactions between these two processes. Firms in the North race to bring out the next generation of a setExpand
Electoral Competition and Special Interest Politics
We study the competition between two political parties for seats in a parliament. The parliament will set two types of policies: ideological and non-ideological. The parties have fixed positions onExpand
Optimal Trade and Industrial Policy Under Oligopoly
In this paper we provide an integrative treatment of the welfare effects of trade and industrial policy under oligopoly, and characterize qualitatively the form that optimal intervention takes underExpand
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