Pier Paolo Saviotti, INRA-SERD, Pierre Mendès University, Grenoble and IDEFI-CNRS-UNSA Sophia-Antipolis, France

'The main strength of the book as a whole is that it takes the nature and sources of technical change seriously, and points to a number of potentially useful directions of future research, and to formal techniques and models that could help. . . . an unconventional and stimulating book that should be read by all those concerned with understanding technological change and its economic efforts.'

• Contents: 1. Introduction Part I: The Nature of Evolutionary Theories and Their Relationship to Neoclassical Economics 2. Some Methodological Considerations about the Local Character of Knowledge and about the Comparability of Theories 3. What is Evolutionary Economics Now? Part II: A Model of Technological Evolution 4. A Characteristic and Population approach to Technological Evolution 5. Variety, Economic and Technological Development 6. A Model of Technological Evolution based on Replicator Dynamics Part III: 7. Variety, Organizations and Information 8. Knowledge, the Environment and Organizational Structures 9. The Concept of National System of Innovation 10. Summary and Conclusions References Index

Pier Paolo Saviotti, INRA-SERD, Pierre Mendès University, Grenoble and IDEFI-CNRS-UNSA Sophia-Antipolis, France

'The main strength of the book as a whole is that it takes the nature and sources of technical change seriously, and points to a number of potentially useful directions of future research, and to formal techniques and models that could help. . . . an unconventional and stimulating book that should be read by all those concerned with understanding technological change and its economic efforts.'

• Contents: 1. Introduction Part I: The Nature of Evolutionary Theories and Their Relationship to Neoclassical Economics 2. Some Methodological Considerations about the Local Character of Knowledge and about the Comparability of Theories 3. What is Evolutionary Economics Now? Part II: A Model of Technological Evolution 4. A Characteristic and Population approach to Technological Evolution 5. Variety, Economic and Technological Development 6. A Model of Technological Evolution based on Replicator Dynamics Part III: 7. Variety, Organizations and Information 8. Knowledge, the Environment and Organizational Structures 9. The Concept of National System of Innovation 10. Summary and Conclusions References Index

Pier Paolo Saviotti, INRA-SERD, Pierre Mendès University, Grenoble and IDEFI-CNRS-UNSA Sophia-Antipolis, France

'The main strength of the book as a whole is that it takes the nature and sources of technical change seriously, and points to a number of potentially useful directions of future research, and to formal techniques and models that could help. . . . an unconventional and stimulating book that should be read by all those concerned with understanding technological change and its economic efforts.'

• Contents: 1. Introduction Part I: The Nature of Evolutionary Theories and Their Relationship to Neoclassical Economics 2. Some Methodological Considerations about the Local Character of Knowledge and about the Comparability of Theories 3. What is Evolutionary Economics Now? Part II: A Model of Technological Evolution 4. A Characteristic and Population approach to Technological Evolution 5. Variety, Economic and Technological Development 6. A Model of Technological Evolution based on Replicator Dynamics Part III: 7. Variety, Organizations and Information 8. Knowledge, the Environment and Organizational Structures 9. The Concept of National System of Innovation 10. Summary and Conclusions References Index