Ribbit - Financial Interest

LinksThe gravity of the prohibition against ribbitGeneral laws of lending with InterestBiblically prohibited ribbitRabbinically prohibited ribbit [avak ribbit]Cases which are forbidden because they appear to be interest [mechzi kiRibbit]Cases of investment which might [not] involve interestSe'ah b'Se'ah - Lending a quantity to be re-paid with the same quantity [so that it is not "interest" even though the quantity increases in value]Tzad echad b'ribbit - A case which could result in interest, but might notPunishment for involvement in a loan with interestSpecial Cases