[spa] Innovación defensiva y competencia internacional . . El rol del comercio y del progreso técnico en el alza de las desigualdades entre trabajadores cualificados y no cualificados en los países industrializados ha sido muy debatido en el transcurso del pasado decenio. Tratamos aquí de...

We examine the impact of transnational terrorism diffusion on security and international trade. To counter the diffusion of transnational terrorism, targeted governments implement security measures against countries where terror could potentially diffuse. Since security measures raise trade...

This paper builds a model of competition through fundraising between horizontally differentiated NGOs. NGOs allocate their time resource between working on the project and fundraising, which attracts private donations. If the market size is fixed, the fundraising levels increase with the number...

We study the impact of transnational terrorism diffusion on security and trade. We set a simple theoretical model predicting that the closer a country to a source of terrorism, the higher the negative spillovers on its trade. The idea is that security measures, which impede trade, are directed...

Why are many large non-governmental organizations (NGOs) becoming multinational entities? What are the welfare implications of this integration of markets for development donations? To answer these questions, we build a simple two-country model with horizontally differentiated NGOs competing in...

This paper studies the interaction between labor market integration, the evolution of “work values” and entrepreneurial capital inside minority communities. A simple model of labor market segmentation with ethnic capital and endogenous transmission of cultural values inside the minority...

This Paper analyses the link between the internal organization of firms, their individual life cycle and the whole process of macroeconomic growth. We present a Schumpeterian growth model in which firms face dynamic agency costs. These agency costs are due to the formation of vertical collusions...

This paper analyses how political institutions, wealth distribution and economic activities affect each other during the process of development. A simple general equilibrium model of rent-seeking political elites with two productive sectors (modern and traditional) is presented. Political...

We consider an economy where property rights are necessary to ensure sufficient rewards to ex-ante investments. Because enforcement of property rights influences the ex-post distribution of rents, there is room for corruption. We characterize the optimal organization of society and the optimal...