| 1 Introduction | 第1-9页 |
| 2 The framework of the model | 第9-13页 |
| 3 First-best efficiency can be approached asymptotically when the required consensus rate is not too large | 第13-19页 |
| 4 First-best efficiency cannot be approached asymptotically when the required consensus rate is large | 第19-22页 |
| 5 Concluding Remarks | 第22-23页 |
| 6 Appendix | 第23-32页 |
| 7 References | 第32-34页 |