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Why Are There So Many Banking Crises?
The Politics and Policy of Bank Regulation
Jean-Charles Rochet

Book Description | Reviews
Introduction [in PDF format]

TABLE OF CONTENTS:

Preface and Acknowledgments ix
General Introduction and Outline of the Book 1
References 14

PART 1. WHY ARE THERE SO MANY BANKING CRISES? 19

Chapter 1: Why Are There So Many Banking Crises? by Jean-Charles Rochet 21
1.1 Introduction 21
1.2 The Sources of Banking Fragility 23
1.3 The Lender of Last Resort 24
1.4 Deposit Insurance and Solvency Regulations 27
1.5 Lessons from Recent Crises 28
1.6 The Future of Banking Supervision 30
References 33

PART 2. THE LENDER OF LAST RESORT 35

Chapter 2: Coordination Failures and the Lender of Last Resort: Was Bagehot Right After All? by Jean-Charles Rochet and Xavier Vives 37
2.1 Introduction 37
2.2 The Model 41
2.3 Runs and Solvency 44
2.4 Equilibrium of the Investors' Game 47
2.5 Coordination Failure and Prudential Regulation 53
2.6 Coordination Failure and LLR Policy 55
2.7 Endogenizing the Liability Structure and Crisis Resolution 58
2.8 An International LLR 63
2.9 Concluding Remarks 66
References 67

Chapter 3: The Lender of Last Resort: A Twenty-First-Century Approach by Xavier Freixas, Bruno M. Parigi, and Jean-Charles Rochet 71
3.1 Introduction 71
3.2 The Model 75
3.3 Efficient Supervision: Detection and Closure of Insolvent Banks 81
3.4 Efficient Closure 85
3.5 Central Bank Lending 89
3.6 Efficient Allocation in the Presence of Gambling for Resurrection 95
3.7 Policy Implications and Conclusions 97
3.8 Appendix 98
References 101

PART 3. PRUDENTIAL REGULATION AND THE MANAGEMENT OF SYSTEMIC RISK 103

Chapter 4: Macroeconomic Shocks and Banking Supervision by Jean-Charles Rochet 105
4.1 Introduction 105
4.2 A Brief Survey of the Literature 106
4.3 A Simple Model of Prudential Regulation without Macroeconomic Shocks 108
4.4 How to Deal with Macroeconomic Shocks? 112
4.5 Is Market Discipline Useful? 118
4.6 Policy Recommendations for Macroprudential Regulation 121
References 123

Chapter 5: Interbank Lending and Systemic Risk by Jean-Charles Rochet and Jean Tirole 126
5.1 Benchmark: No Interbank Lending 132
5.2 Date-0 Monitoring and Optimal Interbank Loans 139
5.3 Date-1 Monitoring, Too Big to Fail, and Bank Failure Propagations 148
5.4 Conclusion 153
5.5 Appendix: Solution of Program (P) 155
References 157

Chapter 6: Controlling Risk in Payment Systems by Jean-Charles Rochet and Jean Tirole 159
6.1 Taxonomy of Payment Systems 161
6.2 Three Illustrations 166
6.3 An Economic Approach to Payment Systems 173
6.4 Centralization versus Decentralization 181
6.5 An Analytical Framework 184
6.6 Conclusion 191
References 192

Chapter 7: Systemic Risk, Interbank Relations, and the Central Bank by Xavier Freixas, Bruno M. Parigi, and Jean-Charles Rochet 195
7.1 The Model 199
7.2 Pure Coordination Problems 205
7.3 Resiliency and Market Discipline in the Interbank System 207
7.4 Closure-Triggered Contagion Risk 210
7.5 Too-Big-to-Fail and Money Center Banks 213
7.6 Discussions and Conclusions 215
7.7 Appendix: Proof of Proposition 7.1 217
References 222

PART 4. SOLVENCY REGULATIONS 225

Chapter 8: Capital Requirements and the Behavior of Commercial Banks by Jean-Charles Rochet 227
8.1 Introduction 227
8.2 The Model 230
8.3 The Behavior of Banks in the Complete Markets Setup 231
8.4 The Portfolio Model 238
8.5 The Behavior of Banks in the Portfolio Model without Capital Requirements 240
8.6 Introducing Capital Requirements into the Portfolio Model 244
8.7 Introducing Limited Liability into the Portfolio Model 246
8.8 Conclusion 249
8.9 Appendix 250
8.10 An Example of an Increase in the Default Probability Consecutive to the Adoption of the Capital Requirement 256
References 257

Chapter 9: Rebalancing the Three Pillars of Basel II by Jean-Charles Rochet 258
9.1 Introduction 258
9.2 The Three Pillars in the Academic Literature 259
9.3 A Formal Model 260
9.4 Justifying the Minimum Capital Ratio 266
9.5 Market Discipline and Subordinated Debt 268
9.6 Market Discipline and Supervisory Action 269
9.7 Conclusion 272
9.8 Mathematical Appendix 274
References 277

Chapter 10: The Three Pillars of Basel II: Optimizing the Mix by Jean-Paul Décamps, Jean-Charles Rochet, and Benoît Roger 281
10.1 Introduction 281
10.2 Related Literature 284
10.3 The Model 287
10.4 The Justification of Solvency Requirements 292
10.5 Market Discipline 294
10.6 Supervisory Action 298
10.7 Concluding Remarks 302
10.8 Appendix: Proof of Proposition 9.2 303
10.9 Appendix: Optimal Recapitalization by Public Funds Is Infinitesimal (Liquidity Assistance) 303
10.10 Appendix: Proof of Proposition 9.3 304

References 305

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File created: 11/11/2014

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