Yiming Ma is an assistant professor in the finance division at Columbia Business School. She received her Ph.D. in Finance from the Stanford Graduate School of Business in 2018 and holds a BA from Yale University.
Her research applies tools from industrial organization to questions in financial intermediation, financial stability, and monetary policy. For example, in a recent paper, she identifies and quantifies the systemic risk created by a few banks intermediating funds on behalf of a large number of other financial institutions.
Intermediation in the Interbank Lending Market
Coauthor(s): Ben Craig, Yiming Ma
A Structural Model of Bank Balance Sheet Synergies and the Transmission of Central Bank Policies
Coauthor(s): William Diamond, Zhengyang Jiang, Yiming Ma
Bank Debt versus Mutual Fund Equity in Liquidity Provision
Coauthor(s): Yiming Ma, Kairong Xiao, Yao Zheng
Mutual Fund Liquidity Transformation and Reverse Flight to Liquidity
Coauthor(s): Yiming Ma, Kairong Xiao, Yao Zeng
The Passthrough of Treasury Supply to Bank Deposits
Coauthor(s): Wenhao Li, Yiming Ma, Yang Zhao
In The Media
Fed Keeps Rates Near Zero — It’s Good to Borrow at Low Interest Rates, Experts Say. Here’s What Else It Means for Your Wallet
U.S. Mint Asks Americans to Use More Change to Help Ease Coin Shortage
Is There Really a Coin Shortage?
The Fed Said It Could Supply the Economy with $2.3 trillion. It Hasn’t Come Close So Far