Publications

June 2013 (Revised January 2014)
Case

S&P Indices and the Indexing Business in 2012

By: Luis Viceira and Alison Berkley Wagonfeld

In June 2012, Standard & Poor's Indices is finalizing a deal with the CME Group, the largest global exchange for futures and options and majority owner of Dow Jones Indexes, to combine their respective indices business into a new joint venture called S&P Dow Jones... View Details

Keywords: Indexing; Business Model; Joint Ventures; Financial Markets; Standards; Financial Services Industry

January 2018 (Revised November 2018)
Case

Index

By: Jose Alvarez and Julia Kelley

In December 2017, Marc Freed-Finnegan and Jonathan Wall, the co-founders of retail technology company Index, had to discuss the company’s direction as they entered 2018. Five years earlier, Freed-Finnegan and Wall had founded Index after observing the technological... View Details

Keywords: Product Launch; Product Positioning; Sales; Strategy; Marketing Strategy; Retail Industry; Technology Industry

March 2020
Article

Governance Through Shame and Aspiration: Index Creation and Corporate Behavior

By: Akash Chattopadhyay, Matthew D. Shaffer and Charles C.Y. Wang

After decades of deprioritizing shareholders' economic interests and low corporate profitability, Japan introduced the JPX-Nikkei400 in 2014. The index highlighted the country's "best-run" companies by annually selecting the 400 most profitable of its large and liquid... View Details

Keywords: JPX-Nikkei 400 Index; Status Incentives; Return On Equity; Capital Efficiency; Social Norms; Index Inclusion; Reputation Incentives; Motivation and Incentives; Corporate Governance; Behavior; Investment Return; Status and Position; Japan

January 2008
Background Note

Index Options

By: Joshua Coval and Erik Stafford

The goal of this simulation is to understand the patterns in index option prices that are not predicted by the Black-Scholes model. In particular, the simulation focuses on two properties of options prices. First, at-the-money implied volatilities from index options... View Details

Keywords: Volatility; Stock Options; Investment; Price; Profit; Risk Management; Mathematical Methods

October 2019 (Revised August 2020)
Case

The Predictive Index

By: Lynda M. Applegate and James Weber

Mike Zani and Daniel Muzquiz needed to decide next steps to create a new category in the human resources consulting industry and scale their company.
Zani and Muzquiz, serial entrepreneurs, acquired Predictive Index in 2014. Previously, as clients of the... View Details

Keywords: Human Resources; Selection and Staffing; Talent and Talent Management; Recruitment; Corporate Entrepreneurship; Venture Capital; Change Management; Disruptive Innovation; Digital Platforms; Growth and Development Strategy; Consulting Industry; Service Industry; United States

8 Apr 2014
Other Presentation

Social Progress Index 2014

By: Michael E. Porter, Scott Stern and Michael Green

Social Progress Index 2014 Launch View Details

Keywords: Society; Economics

Working Paper

Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?

By: Marco Sammon and John J. Shim

Value-weighted indexes must rebalance in response to stock market composition changes, e.g., issuance, buybacks, and IPOs. In doing so, existing index funds implicitly engage in market timing. Index funds’ long-short rebalancing portfolios have a -3.5% annual return... View Details

Keywords: Investment Funds; Financial Markets; Market Timing; Investment Return

SSRN

Editorial

Can Index Funds Be a Force for Sustainable Capitalism?

By: George Serafeim

Keywords: Sustainability; Sustainable Development; Sustainable Finance; Social Impact; Indexing; Finance

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April 2025
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

27 Feb 2009
Conference Presentation

Sustainability Indexes

By: Michael W. Toffel

Editorial

How Index Funds Can Be a Positive Force for Change

By: George Serafeim

Keywords: Indexing; Stock Market; Engagement; Activism; Sustainability; Collaboration; Tragedy Of The Commons

November – December 2007
Article

Fundamentally Flawed Indexing

By: Andre F. Perold

A new theory of finance is being advanced as providing definitive proof that holding stocks in proportion to their market capitalizations is an inferior investment strategy. The claim is that capitalization weighting necessarily invests more in overvalued stocks and... View Details

Keywords: Investment; Capital Markets; Financial Strategy; Stocks; Financial Management; Valuation

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2022
Working Paper

Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market

By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu

Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details

Keywords: Mutual Funds; Passive Investing; Asset Management; Financial Markets; Investment Funds; Financial Management; Financial Services Industry; United States

05 Dec 2014
Working Paper Summaries

Seesaws and Social Security Benefits Indexing

Keywords: by Matthew Weinzierl

Fall 2014
Article

Seesaws and Social Security Benefits Indexing

By: Matthew Weinzierl

The price indexation of Social Security benefit payments has emerged in recent years as a flashpoint of debate in the United States. I characterize the direct effects that changes in that price index would have on retirees who differ in their initial wealth at... View Details

Keywords: Retirement; Compensation and Benefits; United States

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2024
White Paper

The British Opportunity Index

By: Matthew Sigelman, Joseph B. Fuller, Mariano Mamertino and Shrinidhi Rao

Keywords: Personal Development and Career; Talent and Talent Management; Employees

June 1987
Supplement

Product Management, Video Index

By: John A. Quelch

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November 1992 (Revised December 1994)
Case

BEA Associates: Enhanced Equity Index Funds

By: Andre F. Perold

BEA's enhanced index fund product uses derivatives and cash market securities to find the most efficient way to "track an index." The considerations involve transaction costs, custodial fees, withholding taxes on dividends, and fees from securities lending. In this... View Details

Keywords: Credit Derivatives and Swaps; Investment Portfolio; Management; Investment Banking; Competitive Advantage; Cost Management