In 2004, Brazil provided an interesting natural experiment concerning personal credit. A new law was enacted allowing banks to offer loans with repayment through automatic payroll or social security benefit deduction, thus removing a significant part of the moral hazard problem by eliminating...

When infinite lived agents trade long-lived assets secured by durable goods, equilibrium exists without any uniform impatience requirements or additional debt constraints. Asset pricing bubbles are absent when the new endowments of durable goods are uniformly bounded away from zero. Otherwise,...