Abstract: The paper studies the integration of logisticsbusiness and financial institutions, building logistics financial services platform to achieve cooperation, to explore the logistics enterprisesto carry out a unified credit business of revenue sharing issues. The security point of the negotiations as a starting point, Application of modern game theory to analyze the Nash equilibrium both sides, we can find out interests equilibrium point of the two main bodies to provide a basis for decision-making logistics enterprises. Then we structure repeated game model to analyze the relationship between the two sides, and give the final recommendations based on model analysis.

Keywords: unified credit; Nash equilibrium; safety point; repeated games

1      Introduction

Unified credit is that financial institutions authorize directly the credit limits to logistics enterprisesaccording to the size of the logistics business, results of operations, the degree of credit and so on, and then logistics enterprises carry on pledge loans and final settlement by customer needs and conditions. But financial institutions do not participate in the specific operation of Pledged Loan Project. In order to effectively control and manage the flow of logistics and capital flow, logistics enterprises and financial institutions constituted as a consortium is the development trend in the future. In the basis of co-operation tend, exploring the interests balance point between the both sides, the key is how to make agreement on benefit-sharing of the two sides and thus reach a win-win situation based on negotiations.

2      MODELanslysis

Based on the convenience and more reasonable of the model, making the following assumptions:

（1）Logistics enterpriseswould like to apply for loans Lto financial institutions, investing the project whose rate of return isr. If building a partnership, logistics enterprises can get loans in the interest rate of i.

（2）Financial institutions have two decision-making of loans and refused to loan, and logistics enterprises have two tendencies of honesty and dishonesty.

（3）In games, logistics enterprises and financial institutions mutually understand strategy space, payment function and features.