Real liquidity refers to the real purchasing power of the monetary base. In an economy where banks only take money as deposits, insufficient real liquidity constrains the price level when there is a liquidity shock before banks settle their long-term loan contracts. This leads to strictly...

We study the interactions between the two roles of commercial banks as payment intermediaries and credit intermediaries. Deposits serve as a medium of exchange, and depositors with liquidity shocks may pay with deposits for real consumptions without withdrawing cash from the banking system....

Interconnected banks are prone to the propagation of negative shocks. In a network with banks borrowing from each other using collateral, the risk of financial contagion leads to the emergence of multiple equilibria, featuring different sizes of loans and collateral haircuts. Safe assets are...

A puzzle of China’s shadow banking system is its stark growth since the 2008 Subprime Crisis, which is in sharp contrast to most of countries. We present a model to explain why the shadow banking activities have been allowed to expand with the full awareness of regulators in China. In the...

The quality of collateral used in collateralized loans depends on the proportion of the investment to the lender's wealth. When the investment ratio is higher, the loans will cause larger fluctuation in the lender's final consumption, making the lender demand collateral of higher quality. After...