就英文的吧：

credit constraint is a condition where in capital market the availability of credit, or the amount of borrowing one could obtain has been confined to certain arbitrary limits. Under such condition, the cost of borrowing usually goes up as limits imposed by lender aims to reduce risk, any additional credit must be paid at higher premium.

版主大人，出自哪里啊？能把文章或者出处给我么？

根据自己的理解编辑的。没有什么文章。

哦，谢谢谢谢