Yiming Ma

Assistant Professor of Finance


Curriculum Vitae

Email: ym2701@columbia.edu

Columbia Business School

820 Uris Hall

New York, NY 10027, U.S.

I am an Assistant Professor of Finance at Columbia Business School. My research focuses on financial intermediation, financial stability, and monetary policy. I received a Ph.D. in Finance from Stanford Graduate School of Business in 2018 and a B.A. in Economics & Mathematics and Global Affairs from Yale University in 2013. ​


The Paradox of ETFs: Liquidity Transformation versus Index-Tracking (March 2021)

joint with Naz Koont (Columbia GSB) and Yao Zeng (Wharton)

Monetary Policy Transmission in Segmented Markets (December 2020) 

joint with Jens Eisenschmidt (ECB) and Anthony Zhang (Chicago Booth)

Monetary Transmission through Bank Balance Sheet Synergies (December 2020) 

joint with William Diamond (Wharton) and Zhengyang Jiang (Kellogg)

Mutual Fund Liquidity Transformation and Reverse Flight to Liquidity (December 2020) 

joint with Kairong Xiao (Columbia GSB) and Yao Zeng (Wharton)

Bank Debt versus Mutual Fund Equity in Liquidity Provision (June 2020)

joint with Kairong Xiao (Columbia GSB) and Yao Zeng (Wharton)

The Passthrough of Treasury Supply to Bank Deposits (May 2020) 

joint with Wenhao Li (USC Marshall) and Yang Zhao (Stanford GSB)

  • R&R, Review of Financial Studies

  • Arthur Warga Award for Best Paper in Fixed Income at SFS Cavalcade North America

Intermediation in the Interbank Lending Market (Nov 2019)

joint with Ben Craig (Cleveland Fed)

Work in Progress

Competition in Liquidity Provision by Banks and Non-banks

joint with Kairong Xiao (Columbia GSB) and Yao Zeng (Wharton)


Columbia New Empirical Finance Workshop

  • jointly organized with Kairong Xiao and Olivier Darmouni

Junior Macrofinance Workshop

  • jointly organized with William Diamond, Gary Gorton, and Arvind Krishnamurthy