Market structure and productivity : theory and evidence from manufacturing

Abstract : This thesis studies the link between market structure and productivity. The core of the analysis takes into account relevant features of manufacturing such as economies of scales, firm heterogeneity and asymmetric knowledge. We investigate how the change in both inward and outward aspects of market structure shapes firms incentives to obtain productivity gains. The first part of the thesis analyses the effect of trade policy on firm productivity. We use firm-level data of Chilean plants (chapter1) and propose a theoretical model of international trade (chapter2) to explain heterogeneous within-firm productivity evolutions. The second part addresses the link between market structure and innovation. Using industry-level data for a sample of OECD countries we test the effect of competition and regulation on innovation, conditional to proximity to the technological frontier (chapter3). Finaly, we provide a quality-ladders model to show how regulation can handle the rivalry among R&D competitors and play a central role boosting R&D intensity (chapter4). This argument is also tested at the industry level in our OECD sample.
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Ivan Ledezma. Market structure and productivity : theory and evidence from manufacturing. Economies and finances. Université Panthéon-Sorbonne - Paris I, 2008. English. ⟨tel-00364054⟩

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