growth. At early stages of development, the presence of indivisible projects limits the degree of risk …-spreading (diversification) that the economy can achieve. The desire to avoid highly risky investments slows down capital accumulation and the … equilibrium is inefficient because individuals do not take into account their impact on the diversification opportunities of …

We develop an equilibrium search-matching model with risk-neutral agents and two-sided ex-ante heterogeneity … States in terms of unemployment, productivity growth and wage inequality. To show this, we construct two fictitious economies … productivity grows less due to larger mismatch. The model can be used to address a number of normative issues. …

distribution costs in the export market, high and low productivity firms react differently to a depreciation . Whereas high … productivity firms optimally raise their markup rather than the volume they export, low productivity firms choose the opposite … aggregate impact of exchange rate movements. The presence of fixed costs to export means that only high productivity firms can …

This paper analyses the welfare implications of international spillovers related to productivity gains, changes in …-equilibrium model with monopolistic competition, drawing a distinction between productivity gains that enhance manufacturing efficiency …

This paper analyzes empirically the effect of spatial agglomeration of activities on the productivity of firms using … location choice: we find very little difference between the geography that would maximize productivity gains and the geography …

growth model. Its building blocks are financial imperfections and reallocation among firms with heterogeneous productivity …. Some firms use more productive technologies than others, but low-productivity firms survive because of better access to … credit markets. Due to the financial imperfections, high-productivity firms - which are run by entrepreneurs - must be …

population dynamics and productivity growth. Although a reform is necessary, delaying its implementation implies large welfare …