The savings/investment process in capitalist economies is organized around financial intermediation, making them a central institution of economic growth. Financial intermediaries are firms that borrow from consumer/savers and lend to companies that need resources for investment. In contrast, in...

We study whether the socially optimal level of stability of the banking system can be implemented with regulatory capital requirements in a multi-period general equilibrium model of banking. We show that: (i) bank capital is costly because of the unique liquidity services provided by demand...

New bank equity must come from somewhere. In general equilibrium, raising bank capital requirements means either that banks produce less short-term debt (as debt holders must become shareholders), or short-term debt is not reduced and the banking system acquires nonbank equity (as the...

I test the Dang, Gorton, and Holmström (2018) (DGH) theory that the optimal design of private money is debt backed by debt. I do this in the context of English inland bills of exchange (where all parties to the bill were in England), which were used as a medium of exchange during the Industrial...

Financial crises are bank runs. At root the problem is short-term debt (private money), which while an essential feature of market economies, is inherently vulnerable to runs in all its forms (not just demand deposits). Bank regulation aims at preventing bank runs. History shows two approaches...