We evaluate the desirability of having an elastic currency generated by a lender of last resort that prints money and lends it to banks in distress. When banks cannot borrow, the economy has a unique equilibrium that is not Pareto optimal. The introduction of unlimited borrowing at a zero...

Beginning in the 1990s, the growth of mortgage lending was associated with the growth of a new set of mortgage-backed securities. We study the evolution of initial mortgage rates as a function of characteristics of both the loan and the borrower. We find that credit risk historically was priced...