1. Endogenous Collateral;Araujo;Journal of Mathematical Economics,2005
2. Araujo, A., Páscoa, M.R., Torres-Martínez, J.P., 2005b. Bubbles, Collateral and Monetary Equilibrium, working paper No. 513, PUC-Rio.
3. Collateral avoids ponzi schemes in incomplete markets;Araujo;Econometrica,2002
4. The optimum quantity of money;Bewley,1980
5. Geanakoplos, J., Zame, W.R., 2002. Collateral and the Enforcement of Intertemporal Contracts. Yale University Working Paper.