Publications

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1997
Chapter

On the Role of the Wiener Process in Finance Theory and Practice: The Case of Replicating Portfolios

By: Robert C. Merton

Keywords: Mathematical Methods

2015
Working Paper

Replicating Private Equity with Value Investing, Homemade Leverage, and Hold-to-Maturity Accounting

By: Erik Stafford

Private equity funds tend to select relatively small firms with low EBITDA multiples. Publicly traded equities with these characteristics have high risk-adjusted returns after controlling for common factors typically associated with value stocks. Hold-to-maturity... View Details

Keywords: Value Investing; Endowments; Investment Management; Asset Pricing; Private Equity; Investment; Management; United States

SSRN

15 Feb 2016
Working Paper Summaries

Replicating Private Equity with Value Investing, Homemade Leverage, and Hold-to-Maturity Accounting

Keywords: by Erik Stafford; Banking; Financial Services

2019
Working Paper

Do Banks Have an Edge?

By: Juliane Begenau and Erik Stafford

Overall, no! We show that the level and time series variation in cash flows for most bank activities are well matched by capital market portfolios with similar interest rate and credit risk to what banks report to hold. Ignoring operating expenses, bank loans earn high... View Details

Keywords: Banks; Market Efficiency; Bank Capital; Bank Debt; CAPM; Banking; Bank Deposits; Bank Funding Advantage; Leverage; Maturity Transformation; Replicating Portfolio; Efficiency; Banks and Banking; Capital Markets; Performance Evaluation; Performance Efficiency; Banking Industry; United States

SSRN

2008
Working Paper

The Small World of Investing: Board Connections and Mutual Fund Returns

By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy

This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details

Keywords: Asset Pricing; Investment Portfolio; Governing and Advisory Boards; Knowledge Sharing; Knowledge Use and Leverage; Social and Collaborative Networks; Financial Services Industry

October 2008
Article

The Small World of Investing: Board Connections and Mutual Fund Returns

By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy

This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details

Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards

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June 2023 (Revised January 2024)
Case

Siemens AG: A Private Equity Approach within an Industrial Corporation?

By: David J. Collis and Haisley Wert

In July 2022, Horst Kayser, Chairman of Siemens AG Portfolio Companies (POC), was reflecting on the advice he could offer Roland Busch, Chief Executive Officer of the parent company Siemens AG, about whether and how to operate a private equity-like approach inside the... View Details

Keywords: Strategy; Management; Value Creation; Private Equity; Corporate Strategy

Purchase

February 1997 (Revised March 1998)
Case

Smith Breeden Associates: The Equity Plus Fund (A)

By: Robert C. Merton and Alberto Moel

In early 1997, Smith Breeden Associates, a money management and consulting firm, was pondering the future of the Equity Plus Fund. The Equity Plus Fund was an S&P enhanced-index fund that tried to outperform the S&P Index by replicating the index using low-cost... View Details

Keywords: Assets; Cash; Financial Markets; Financial Strategy; Mortgages; Investment Funds; Investment Portfolio; Marketing; Performance; Consulting Industry

Purchase

26 Sep 2006
First Look

First Look: September 26, 2006

Working PapersScale Without Mass: Business Process Replication and Industry Dynamics Authors:Erik Brynjolfsson, Andrew McAfee, Michael Sorell, and Feng Zhu Abstract Since the mid-1990s, productivity growth has accelerated in the U.S.... View Details

Keywords: Sean Silverthorne

15 Nov 2016
First Look

November 15, 2016

firms’ incentives to innovate and that private sector firms are more sensitive to IPR protection than SOEs. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=50643 Fiscal Risk and the Portfolio of Government Programs... View Details

Keywords: Sean Silverthorne

December 2024
Case

Enerjisa Üretim: The Digital Era of Electricity Generation

By: Prithwiraj Choudhury and Sadika El Hariri

Launched in 2017, Enerjisa Üretim was one of Türkiye’s largest private sector electricity companies. In its early days, the company faced some financial and operational troubles. When İhsan Erbil Bayçöl, the current CEO of Enerjisa Üretim, joined the business in 2018,... View Details

Keywords: Private Sector; Performance Improvement; Renewable Energy; Growth and Development Strategy; Business Units; Partners and Partnerships; Leadership; Energy Industry; Utilities Industry; Turkey

Purchase

01 Jul 2008
First Look

First Look: July 1, 2008

of potential funding sources to solve social problems, much of it stemming from an intergenerational transfer of wealth and new wealth from financial and high-tech entrepreneurs. Download the paper: http://www.hbs.edu/research/pdf/08-103.pdf A View Details

Keywords: Martha Lagace

May 2025
Case

The Micro-Family Office: Aamir Rehman

By: Lauren Cohen and Sophia Pan

With a successful career and strong academic credentials, Aamir Rehman sought to design a life grounded in autonomy. For him, this meant serving on boards, continuing his professorship, and ensuring a secure and comfortable life for his family. While he didn’t possess... View Details