Rabbinic decrees shelo tinol delet bifnei lovin - Enactments and Rulings to encourage lending
Note: In Talmudic times [like today!], lending was the engine of the economy; it was the premiere way to help paupers end their poverty. Therefore, the sages sought to remove obstacles to lending.
Permitting a quasi-interest case in order to remove an obstacle from lending [shelo tinol delet]: Bava Metzia 68a
Improving a lender's ability to collect a debt: Bava Metzia 14b
Lowering our standards for the type of court needed to collect a debt: Sanhedrin 2b-3b