List of Figures -- List of Tables -- Acknowledgements -- Introduction -- PART I: OFFSHORING, OUTSOURCING, PRODUCTION FRAGMENTATION: DEFINITIONS, MEASURES AND ORIGIN OF THE RESEARCH 1.1. Introduction 1.2. Definitions and taxonomies of offshoring and outsourcing 1.3. Origin and main issues in research on offshoring and outsourcing 1.4. Measuring offshoring and outsourcing 1.5. Summary and conclusions -- PART II: OFFSHORING AND OUTSOURCING IN ECONOMIC THEORIES 2.1. Introduction 2.2. Offshoring and outsourcing in neoclassical theory of the firm 2.3. Offshoring and outsourcing in the new institutional economics 2.4. Offshoring and outsourcing in light trade theory 2.5. Offshoring and outsourcing in the perspective of foreign direct investment theories 2.6. Summary and conclusions -- PART III: EXPLAINING AND MODELLING OFFSHORING AND OUTSOURCING IN ENTERPRISES 3.1. Introduction 3.2. Evolution of the scope and structure of offshoring and outsourcing in enterprises 3.3. Offshoring and outsourcing in enterprises: motives and location factoors 3.4. Models offshoring and outsourcing in enterprises 3.5. Summary and conclusions -- PART IV: EVOLUTIONARY VIEW OF INTERNATIONAL PRODUCTION FRAGMENTATION IN ENTERPRISES 4.1. Introduction 4.2. Case and comparative studies: data, method, results, and discussion 4.3. Industry case studies 4.4. Discussion of results 4.5. Summary and Conclusions -- PART V: PRODUCTION FRAGMENTATION IN THE WORLD ECONOMY 5.1. Introduction 5.2. Main trends in trade and FDI flows 5.3. Trade in intermediate goods and intrafirm trade 5.4. Trade in services 5.5. Offshoring intensity in selected economies 5.6. Offshoring impact on employment, wages and labor productivity 5.7. Summary and conclusions -- Summary and conclusions -- References.