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All HBS Web
(116,167)
- Faculty Publications (11)
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- 2024
- Working Paper
What Do Bank Trading Desks Do?
By: Jonathan Wallen and Lina Lu
Bank trading desks earn profits from intermediating customer trading volume. Across a broad set of asset markets, we document that the trading desks of large U.S. dealer banks behave as financial intermediaries that profit from toll-taking as in Duffie et al. (2005)....
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Wallen, Jonathan, and Lina Lu. "What Do Bank Trading Desks Do?" Working Paper, September 2024.
- May 2024 (Revised May 2024)
- Teaching Note
Optimalen Capital
Teaching Note for HBS Case No. 223-099.
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- 2024
- Working Paper
Internal and External Capital Markets of Large Banks
By: Jonathan Wallen, Marco Macchiavelli and Lina Lu
We study the internal capital markets of large U.S. bank holding companies (BHCs). Within the BHC, commercial bank and broker-dealer divisions have different investment opportunities and actively share funding. We measure broker-dealer investment opportunities using...
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Wallen, Jonathan, Marco Macchiavelli, and Lina Lu. "Internal and External Capital Markets of Large Banks." Working Paper, May 2024.
- 2024
- Working Paper
The Imperfect Intermediation of Money-Like Assets
By: Jonathan Wallen and Jeremy C. Stein
We study supply-and-demand effects in the U.S. Treasury bill market by comparing the returns on T-bills to the administered policy rate on the Federal Reserve’s reverse repurchase (RRP) facility. In spite of the arguably more money-like properties of an investment in...
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Wallen, Jonathan, and Jeremy C. Stein. "The Imperfect Intermediation of Money-Like Assets." Working Paper, July 2024. (Revise and Resubmit, Journal of Finance.)
- June 2023
- Supplement
Optimalen Capital Spreadsheet Supplement
- June 2023 (Revised May 2024)
- Case
Optimalen Capital
A new client portfolio manager at a quantitative investment management firm must explain why her firm, Optimalen Capital, has rebalanced a client portfolio with a set of trades that seem unintuitive. In particular, Optimalen has added to its position of Walmart (ticker...
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Baker, Malcolm, Elisabeth Kempf, and Jonathan Wallen. "Optimalen Capital." Harvard Business School Case 223-099, June 2023. (Revised May 2024.)
- November 2022 (Revised May 2023)
- Case
Dicerna
Baker, Malcolm, Ishita Sen, and Jonathan Wallen. "Dicerna." Harvard Business School Case 223-049, November 2022. (Revised May 2023.)
- 2022
- Working Paper
Markups to Financial Intermediation in Foreign Exchange Markets
By: Jonathan Wallen
On average from 2013 to 2020, foreign asset managers in net sold forward 1.1 trillion U.S. dollars. This forward sale of dollars hedges the currency mismatch of foreign investment in U.S. dollar assets. By accommodating this demand, U.S. and European banks earn an...
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Keywords:
Foreign Exchange;
Financial Intermediation;
Arbitrage;
Market Power;
Regulations;
Currency;
Assets;
Interest Rates;
Banking Industry
Wallen, Jonathan. "Markups to Financial Intermediation in Foreign Exchange Markets." Working Paper, March 2022.
- January 2022 (Revised January 2022)
- Case
The Impact Developers Fund
Baker, Malcolm, Samuel Gregory Hanson, Jonathan Wallen, and Zach Komes. "The Impact Developers Fund." Harvard Business School Case 222-046, January 2022. (Revised January 2022.)
- 2022
- Working Paper
Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking
By: Jonathan Wallen and John Hatfield
We investigate the relationship between the interest rates offered to consumers in a deposit banking market and the contact that banks in that market have with each other in other markets.
We show, in a simple theoretical model, that such overlapping relationships...
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Keywords:
Antitrust;
Deposit Banking;
Market Power;
Multimarket Contact;
Banks and Banking;
Markets;
Competition
Wallen, Jonathan, and John Hatfield. "Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking." Working Paper, January 2022.
- Forthcoming
- Article
Segmented Arbitrage
We use arbitrage activity in equity, fixed income, and foreign exchange markets to characterize the frictions and constraints facing intermediaries. The average pairwise correlation between the 32 arbitrage spreads that we study is 22%. These low correlations are...
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Keywords:
Financial Intermediation;
Arbitrage;
Intermediary-based Asset Pricing;
Finance;
Segmentation
Siriwardane, Emil, Adi Sunderam, and Jonathan Wallen. "Segmented Arbitrage." Journal of Finance (forthcoming).