Publications

23 Aug 2004
Research & Ideas

New Challenges for Long-Term Investors

spending needs as well as economic factors such as rising interest rates that affect different assets in different ways. Viceira's research analyzes asset allocation strategies for personal and institutional... View Details

Keywords: by Ann Cullen

September 2006
Article

The Speed of Learning in Noisy Games: Partial Reinforcement and the Sustainability of Cooperation

By: Yoella Bereby-Meyer and Alvin E. Roth

In an experiment, players ability to learn to cooperate in the repeated prisoners dilemma was substantially diminished when the payoffs were noisy, even though players could monitor one anothers past actions perfectly. In contrast, in one-time play against a succession... View Details

Find at Harvard

13 Oct 2011
Working Paper Summaries

Market Competition, Government Efficiency, and Profitability Around the World

Keywords: by Paul M. Healy, George Serafeim, Suraj Srinivasan & Gwen Yu

July 2020
Case

Mortgage Backed Securities and the Covid-19 Pandemic

By: Emil N. Siriwardane, Luis M. Viceira and Dean Xu

In April 2020, global financial markets were still reeling as the COVID-19 pandemic spread rapidly across the world. Global equity markets had initially fallen by 30% in response to the pandemic, and high-yield credit markets had dropped by nearly 20%. In contrast,... View Details

Keywords: COVID-19; Mortgage-backed Securities; Health Pandemics; Financial Markets; Assets; Resource Allocation; Financial Instruments; Decision Making

November 2003 (Revised March 2004)
Case

Drilling South: Petrobras Evaluates Pecom

By: Mihir A. Desai and Ricardo Reisen de Pinho

The Brazilian oil company, Petrobras, is evaluating the acquisition of an Argentine oil company, the Perez Companc Group (Pecom). The acquisition would increase Petrobras' oil reserves and expand its interests outside Brazil, a significant step for the largest company... View Details

Keywords: Mergers and Acquisitions; Forecasting and Prediction; Financial Crisis; Non-Renewable Energy; Cross-Cultural and Cross-Border Issues; Corporate Governance; Risk Management; Emerging Markets; State Ownership; Performance Evaluation; Risk and Uncertainty; Valuation; Energy Industry; Argentina; Brazil

October 1998 (Revised May 2001)
Case

Preview Travel (A)

By: William A. Sahlman, Nicole Tempest, Daniel H Case III and Robert Keller

Preview Travel was a leader in the online travel industry, having generated $80 million in bookings in 1997 and growing at a 34% compound annual growth rate per quarter. This case describes the evolution of Preview Travel's business plan and financing strategy and... View Details

Keywords: Risk and Uncertainty; Business Model; Initial Public Offering; Valuation; Internet and the Web; Business Plan; Capital; Financial Strategy; Travel Industry; United States

20 Apr 2011
Research & Ideas

Blind Spots: We’re Not as Ethical as We Think

without anyone realizing that they are doing anything wrong. Q: What is motivational blindness? A: Motivational blindness is the tendency to not notice the unethical actions of others when it is against our own best interests to... View Details

Keywords: by Sean Silverthorne

14 Nov 2013
Working Paper Summaries

What Shapes the Gatekeepers? Evidence from Global Supply Chain Auditors

Keywords: by Jodi L. Short, Michael W. Toffel & Andrea Hugill; Financial Services; Legal Services

21 May 2013
First Look

First Look: May 21

cost of capital and in turn the rates available to borrowers. Standard theory predicts that, in perfect and efficient capital markets, reducing banks' leverage reduces the risk and cost of equity but leaves the overall weighted average... View Details

Keywords: Sean Silverthorne

05 Aug 2011
Working Paper Summaries

An Exploration of Optimal Stabilization Policy

Keywords: by N. Gregory Mankiw & Matthew C. Weinzierl

2013
Dissertation

Designing Freemium: A Model of Consumer Usage, Upgrade, and Referral Dynamics

By: Clarence Lee, Vineet Kumar and Sunil Gupta

Abstract. Over the past decade "freemium" (free + premium) has become the dominant business model among internet start-ups for its ability to acquire and monetize a large install-base with limited marketing resources. Freemium is a hybrid strategy where a firm offers... View Details

Keywords: Discrete-Continuous Choice Dynamic Structural Models; Bayesian Estimation; Word-of-Mouth; Digital Services; Freemium; Entrepreneurship; Business Model; Motivation and Incentives; Marketing Strategy; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Business Startups

March–April 2015
Article

The Almighty Ruble

By: Debora L. Spar

At 1 AM Moscow time on December 16, Russia's central bank announced a massive hike in the country's interest rate, from 10.5% to 17%. It's not clear how Russian leader Vladimir Putin and his colleagues could realistically have expected to achieve anything by hiking the... View Details

Keywords: Monetary Policy; Economy; Policy; Currency; Interest Rates; Sovereign Finance; Russia

Find at Harvard

08 Sep 2008
HBS Case

The Value of Environmental Activists

There are many methods, most financial, to measure the success of companies in meeting goals. But the question becomes a lot harder at Harvard Business School when MBAs are challenged to measure the efforts of environmental organizations like Greenpeace and the World... View Details

Keywords: by Sarah Jane Gilbert; Energy; Utilities

Research Summary

Optimal Reserve Management and Sovereign Debt (with Fabio Kanczuk)

By: Laura Alfaro

Most models currently used to determine optimal foreign reserve holdings take the level of international debt as given. Some of the implications of this analysis, however, may not be generalized once one considers the joint decision to hold debt and reserves by a... View Details

2019
Chapter

From Coast to Hinterland: Fiscal State Formation in British and French West Africa, c. 1880–1960

By: Ewout Frankema and Marlous van Waijenburg

This chapter contrasts and compares the ways different colonial states in West Africa developed local fiscal capacity. We show that per capita revenues were higher in the more commercialised coastal export economies than in remote parts of the interior. We argue that... View Details

Keywords: Fiscal Capacity; Public Debt; French West Africa; British West Africa; Geography; History; Africa