| Preface | 6 |
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| Contents | 7 |
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| 1 Introduction 2 Monetary | 7 |
| Policy Instruments of the Eurosystem | 7 |
| 3 Stylized Facts and First Explanations | 7 |
| 4 Base Model: Banks’ Liquidity Management and | 7 |
| Interbank Market Equilibrium | 7 |
| 5 Remuneration of Required Reserves at the Current | 8 |
| Repo Rate | 8 |
| 6 Remuneration of Required Reserves at an Average | 8 |
| Rate | 8 |
| 7 Overlapping Maturities of Central Bank Credits | 9 |
| 8 Implications for the Eurosystem’s Operational | 9 |
| Framework | 9 |
| 9 Summary | 9 |
| Appendix | 9 |
| References | 9 |
| 1 Introduction | 10 |
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| Aim of this Work | 12 |
| Theoretical Analysis and Main Results | 12 |
| Related Literature | 15 |
| Contribution to the Literature | 16 |
| Outline | 16 |
| 2 Monetary Policy Instruments of the Eurosystem | 18 |
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| 2.1 Introduction | 18 |
| 2.2 Guiding Principles Behind the Design of the Eurosystem’s Monetary Policy Instruments | 20 |
| 2.3 Minimum Reserve System | 20 |
| 2.4 Open Market Operations | 22 |
| Under- and Overbidding Behaviour: Definition | 22 |
| Collateral Framework | 23 |
| 2.5 Standing Facilities | 26 |
| 2.6 Summary | 27 |
| 3 Stylized Facts and First Explanations | 28 |
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| 3.1 The Overnight Rate | 28 |
| 3.2 Bidding Behaviour in the Main Refinancing Operations | 32 |
| 3.3 Fulfilling of Required Reserves | 39 |
| 3.4 Summary | 41 |
| 4 Base Model: Banks’ Liquidity Management and Interbank Market Equilibrium | 42 |
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| 4.1 Introduction | 42 |
| 4.2 Optimal Liquidity Management of a Single Bank | 43 |
| 4.3 Interbank Market Equilibrium | 46 |
| 4.4 Summary | 53 |
| 5 Remuneration of Required Reserves at the Current Repo Rate | 55 |
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| 5.1 Introduction | 55 |
| 5.2 Optimal Liquidity Management of a Single Bank | 56 |
| 5.3 Interbank Market Equilibrium and Final Results | 62 |
| Equilibrium Interbank Market Rate | 63 |
| Optimal Liquidity Management: Final Results | 63 |
| Equilibrium Interbank Market Rate: Discussion | 65 |
| The Impact of Monetary Policy Impulses | 67 |
| Equilibrium Interbank Market Rate | 69 |
| Optimal Liquidity Management: Final Results | 70 |
| Equilibrium Interbank Market Rate: Discussion | 72 |
| The Impact of Monetary Policy Impulses | 75 |
| 5.4 Summary | 76 |
| 6 Remuneration of Required Reserves at an Average Rate | 79 |
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| 6.1 Introduction | 79 |
| 6.2 Optimal Liquidity Management of a Single Bank | 79 |
| 6.3 Interbank Market Equilibrium and Final Results | 87 |
| Equilibrium Interbank Market Rate | 87 |
| Optimal Liquidity Management: Final Results | 88 |
| Equilibrium Interbank Market Rate: Discussion | 90 |
| The Impact of Monetary Policy Impulses | 93 |
| Equilibrium Interbank Market Rate | 94 |
| Final Results for the Optimal Liquidity Management if the Repo Rate Is Cut | 95 |
| Optimal Intertemporal Allocation of Required Reserves | 97 |
| Optimal Borrowing from the Monetary Authority | 98 |
| Optimal Transactions in the Interbank Market | 99 |
| Final Results for the Optimal Liquidity Management if the Repo Rate Is Raised | 101 |
| Optimal Intertemporal Allocation of Required Reserves | 102 |
| Optimal Borrowing from the Monetary Authority | 102 |
| Optimal Transactions in the Interbank Market | 104 |
| Equilibrium Interbank Market Rate: Discussion | 104 |
| Marginal Costs of Placing Liquidity in the Interbank Market | 105 |
| Interest Rate Smoothing | 105 |
| Negative Effect on the Equilibrium Interbank Market Rate | 106 |
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