Publications

February 1993 (Revised December 1994)
Exercise

Corporate Financial Management: Options Exercises

By: Timothy A. Luehrman

This case presents four exercises designed to introduce students to applications of option pricing and decision-tree analysis to real corporate investment problems. Two of the four problems involve decision trees and two involve option pricing. Students should be... View Details

Keywords: Financial Management; Investment; Projects; Corporate Finance

April 1986 (Revised October 1986)
Case

Option Applications

June 2007 (Revised January 2009)
Case

Nextel Partners: Put Option

By: Timothy A. Luehrman and Douglas Scott

Nextel Partners' shareholders have voted to exercise a put option that will require the company's largest shareholder, Sprint Nextel Corp., to purchase all the shares it does not already own. However, the put option does not stipulate a price to be paid, but rather a... View Details

Keywords: Mergers and Acquisitions; Stock Options; Price; Public Ownership; Valuation

June 30, 2020
Article

Bipartisan Tax-Free Solution to Health Care Financing: Coupling HRAs With a Public Option

By: Regina E. Herzlinger, Richard Boxer and James Wallace

A combination of health insurance initiatives by the presumptive 2020 Democratic and Republican presidential nominees could expand health care coverage and significantly reduce costs, without raising taxes. Along the way, the combination could revitalize private... View Details

Keywords: Health Care Financing; Public Option; Health Reimbursement Arrangement (HRA); Health Care and Treatment; Insurance; Cost Management

Read Now

March 2001
Article

Option Value Does Not Equal Option Cost

By: Brian Hall and Kevin J. Murphy

Keywords: Value; Cost

April 2005 (Revised January 2006)
Background Note

Note on Basic Option Properties

Options are contracts that give the right, but not the obligation, to either buy or sell a specific underlying security for a specified price on or before a specific date. Explains the basis of options, covering fundamentals such as option terminology, the payoff... View Details

Keywords: Stock Options

June 2001
Article

Expected Option Returns

By: Joshua D. Coval and Tyler Shumway

Keywords: Investment Return

Read Now

October 2001 (Revised February 2007)
Background Note

Accounting for Employee Stock Options

Employees who have been granted stock options have the right to purchase shares of their company's stock at a specified price within a specified time period. The accounting for such employee stock options has been a controversial and complex topic for decades. The... View Details

Keywords: Employee Stock Ownership Plan; Accounting

December 2001
Exercise

Exercise on Employee Stock Option Dilution

By: Brian J. Hall

Discusses the effects of option dilution on stock prices and shareholder value. To simplify the example and isolate the complexity of option dilution, we make a number of simplifying assumptions. View Details

Keywords: Stocks; Price; Employee Stock Ownership Plan; Business and Shareholder Relations; Complexity; Value

February 1984 (Revised February 1994)
Background Note

Note on Options

By: David E. Bell

Keywords: Stock Options

March 2005
Case

Chicago Board Options Exchange (CBOE), The

By: George C. Chacko, Anders Sjoman, Daniela Beyersdorfer and George Robert Nelson

The Chicago Board Options Exchange (CBEO) must decide how to respond to new competition in the market for financial options. Options have typically been a very liquid asset class, despite the fact that many single-name options are listed on the CBOE, the second largest... View Details

Keywords: Internet and the Web; Financial Liquidity; Financial Markets; Financial Services Industry; Chicago

January 1995
Case

Keller Fund's Option Investment Strategies, The

By: W. Carl Kester

A closed-end mutual fund's decision to study option trading provides an opportunity to study the profit profile and pricing of multiple option investment strategies (e.g., buy a call, buy a put, write a call, buy stock-write call, etc.). This case is designed to... View Details

Keywords: Investment Funds; Stock Options; Profit; Price; Strategy; Financial Services Industry

May 17, 2000
Article

New Stock Option Rules

By: David F. Hawkins

Keywords: Financial Instruments; Stock Options; Governing Rules, Regulations, and Reforms

2000
Other Unpublished Work

Do Executive Stock Options Encourage Risk-Taking?

By: Randolph B. Cohen, Brian J. Hall and Luis M. Viceira

Executive stock options create incentives for executives to manage firms in ways that maximize firm market value. Since options increase in value with the volatility of the underlying stock, executive stock options provide managers with incentives to take actions that... View Details

Keywords: Risk and Uncertainty; Motivation and Incentives; Stock Options; Executive Compensation

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06 Jan 2003
Research & Ideas

Why Expensing Options Doesn’t Solve the Problem

It is fascinating to observe pundit after pundit come down strongly on the side of expensing stock options in the reported financial statements, as if that were the silver bullet for combating corporate malfeasance and resolving all our... View Details

Keywords: by William Sahlman

March 2009
Article

The Impact of Shareholder Activism on Financial Reporting and Compensation: The Case of Employee Stock Options Expensing

By: F. Ferri and Tatiana Sandino

We examine the economic consequences of more than 150 shareholder proposals to expense employee stock options (ESO) submitted during the proxy seasons of 2003 and 2004, the first case in which the SEC allowed a shareholder vote on an accounting matter. Our results... View Details

Keywords: Shareholder Activism; Shareholder Votes; Stock Option Expensing; Executive Compensation; Financial Reporting; Employee Stock Ownership Plan; Corporate Governance; Business and Shareholder Relations; Investment Activism

SSRN

01 Sep 2013
News

Failure is an Option

19 May 2003
Research & Ideas

Expensing Options Won’t Hurt High Tech

(One cure for stock option abuse, say proponents, is to change accounting rules so that option grants are reflected in a company's principal financial statements. High-tech start-ups blister at that idea,... View Details

Keywords: by Zvi Bodie, Robert S. Kaplan & Robert C. Merton

April 2005 (Revised February 2006)
Background Note

Note on Option Valuation

For every option, a fair price has to be established. But how do you actually price an option? Assuming a basic knowledge of options, this note covers two pricing methods: the binominal tree and the Black-Scholes/Merton formula. View Details

Keywords: Valuation; Stock Options