Nancy Cartwright is Professor of Philosophy at UC-San Diego and London School of Economics.Jeremy Hardie is an Honorary Fellow of Keble College, Oxford and a Fellow of King's College London; he is also Vice President of the Royal Economic Society, and was Chairman of the WH Smith Group from 1992 to 2010.

Cartwright and Hardie make a well-meaning and serious attempt to speak to a nonacademic audience, share their expertise, and help solve real and practical policy problems

• Acknowledgments ; Preface: Do You Want to Read this Book? Putting our Conclusions First ; Part I: Getting Started: From 'It Worked There' to 'It Will Work Here'. ; Chapter I.A: What's in This Book and Why ; Chapter I.B: The Theory that Backs up What We Say ; Part II: Paving the Road from 'There' to 'Here' ; Chapter II.A: Support Factors: Causal Cakes and their Ingredients ; Chapter II.B: Causal Roles: Shared and Unshared ; Part III: Strategies for Finding What You Need to Know ; Chapter III.A: Where We are and Where We are Going ; Chapter III.B: Four Strategies ; Part IV: RCTs, Evidence-Ranking Schemes, and Fidelity ; Chapter IV.A: Where We are and Where We are Going ; Chapter IV.B: What are RCTs Good For? ; Chapter IV.C: Evidence-Ranking Schemes, Advice Guides, and Choosing Effective Policies ; Chapter IV.D: Fidelity ; Part V: Deliberation is not Second Best ; Chapter V.A: Where We are and Where We are Going ; Chapter V.B: Centralization and Discretion ; Part VI: Conclusion ; Appendix I: Representing Causal Processes ; Appendix II: The Munro Review ; Appendix III: CCTV and Car Theft ; Notes ; References ; Index

Nancy Cartwright is Professor of Philosophy at UC-San Diego and London School of Economics.Jeremy Hardie is an Honorary Fellow of Keble College, Oxford and a Fellow of King's College London; he is also Vice President of the Royal Economic Society, and was Chairman of the WH Smith Group from 1992 to 2010.

Cartwright and Hardie make a well-meaning and serious attempt to speak to a nonacademic audience, share their expertise, and help solve real and practical policy problems

• Acknowledgments ; Preface: Do You Want to Read this Book? Putting our Conclusions First ; Part I: Getting Started: From 'It Worked There' to 'It Will Work Here'. ; Chapter I.A: What's in This Book and Why ; Chapter I.B: The Theory that Backs up What We Say ; Part II: Paving the Road from 'There' to 'Here' ; Chapter II.A: Support Factors: Causal Cakes and their Ingredients ; Chapter II.B: Causal Roles: Shared and Unshared ; Part III: Strategies for Finding What You Need to Know ; Chapter III.A: Where We are and Where We are Going ; Chapter III.B: Four Strategies ; Part IV: RCTs, Evidence-Ranking Schemes, and Fidelity ; Chapter IV.A: Where We are and Where We are Going ; Chapter IV.B: What are RCTs Good For? ; Chapter IV.C: Evidence-Ranking Schemes, Advice Guides, and Choosing Effective Policies ; Chapter IV.D: Fidelity ; Part V: Deliberation is not Second Best ; Chapter V.A: Where We are and Where We are Going ; Chapter V.B: Centralization and Discretion ; Part VI: Conclusion ; Appendix I: Representing Causal Processes ; Appendix II: The Munro Review ; Appendix III: CCTV and Car Theft ; Notes ; References ; Index

Nancy Cartwright is Professor of Philosophy at UC-San Diego and London School of Economics.Jeremy Hardie is an Honorary Fellow of Keble College, Oxford and a Fellow of King's College London; he is also Vice President of the Royal Economic Society, and was Chairman of the WH Smith Group from 1992 to 2010.

Cartwright and Hardie make a well-meaning and serious attempt to speak to a nonacademic audience, share their expertise, and help solve real and practical policy problems

• Acknowledgments ; Preface: Do You Want to Read this Book? Putting our Conclusions First ; Part I: Getting Started: From 'It Worked There' to 'It Will Work Here'. ; Chapter I.A: What's in This Book and Why ; Chapter I.B: The Theory that Backs up What We Say ; Part II: Paving the Road from 'There' to 'Here' ; Chapter II.A: Support Factors: Causal Cakes and their Ingredients ; Chapter II.B: Causal Roles: Shared and Unshared ; Part III: Strategies for Finding What You Need to Know ; Chapter III.A: Where We are and Where We are Going ; Chapter III.B: Four Strategies ; Part IV: RCTs, Evidence-Ranking Schemes, and Fidelity ; Chapter IV.A: Where We are and Where We are Going ; Chapter IV.B: What are RCTs Good For? ; Chapter IV.C: Evidence-Ranking Schemes, Advice Guides, and Choosing Effective Policies ; Chapter IV.D: Fidelity ; Part V: Deliberation is not Second Best ; Chapter V.A: Where We are and Where We are Going ; Chapter V.B: Centralization and Discretion ; Part VI: Conclusion ; Appendix I: Representing Causal Processes ; Appendix II: The Munro Review ; Appendix III: CCTV and Car Theft ; Notes ; References ; Index