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Show Results For
- All HBS Web
(1,803)
- People (2)
- News (277)
- Research (1,160)
- Events (23)
- Multimedia (9)
- Faculty Publications (726)
- Mar 31 2017
- Interview
Optimizing Strategic Decisions
- Article
Oracle Efficient Private Non-Convex Optimization
By: Seth Neel, Aaron Leon Roth, Giuseppe Vietri and Zhiwei Steven Wu
One of the most effective algorithms for differentially private learning and optimization is objective perturbation. This technique augments a given optimization problem (e.g. deriving from an ERM problem) with a random linear term, and then exactly solves it.... View Details
Neel, Seth, Aaron Leon Roth, Giuseppe Vietri, and Zhiwei Steven Wu. "Oracle Efficient Private Non-Convex Optimization." Proceedings of the International Conference on Machine Learning (ICML) 37th (2020).
- Fourth Quarter 2017
- Article
Optimal Tilts: Combining Persistent Characteristic Portfolios
By: Malcolm Baker, Ryan Taliaferro and Terry Burnham
We examine the optimal weighting of four tilts in U.S. equity markets from 1968 through 2014. We define a “tilt” as a characteristic-based portfolio strategy that requires relatively low annual turnover. This is a continuum, with small size (a very persistent... View Details
Baker, Malcolm, Ryan Taliaferro, and Terry Burnham. "Optimal Tilts: Combining Persistent Characteristic Portfolios." Financial Analysts Journal 73, no. 4 (Fourth Quarter 2017): 75–89.
- 2023
- Working Paper
The Optimal Stock Valuation Ratio
By: Sebastian Hillenbrand and Odhrain McCarthy
Trailing price ratios, such as the price-dividend and the price-earnings ratio, scale prices by trailing cash flow measures. They theoretically contain expected returns, yet, their performance in predicting stock market returns is poor. This is because of an omitted... View Details
Keywords: Price; Investment Return; AI and Machine Learning; Valuation; Cash Flow; Forecasting and Prediction
Hillenbrand, Sebastian, and Odhrain McCarthy. "The Optimal Stock Valuation Ratio." Working Paper, November 2023.
- 2007
- Working Paper
Optimal Reserve Management and Sovereign Debt
By: Laura Alfaro and Fabio Kanczuk
Most models currently used to determine optimal foreign reserve holdings take the level of international debt as given. However, given the sovereign's willingness-to-pay incentive problems, reserve accumulation may reduce sustainable debt levels. In addition, assuming... View Details
- 24 Apr 2014
- News
Optimizing search technology
Olivier Dumon (MBA 1998) is managing director of academic and government markets for global publishing giant Elsevier, where he’s working on optimizing online search protocols. He believes that the more the technology is improved, the... View Details
- November–December 2014
- Article
Fairness and Efficiency in Multiportfolio Optimization
By: Dan A. Iancu and Nikolaos Trichakis
We deal with the problem faced by a portfolio manager in charge of multiple accounts. We argue that because of market impact costs, this setting differs in several subtle ways from the classical (single account) case, with the key distinction being that the performance... View Details
Iancu, Dan A., and Nikolaos Trichakis. "Fairness and Efficiency in Multiportfolio Optimization." Operations Research 62, no. 6 (November–December 2014): 1283–1301.
- October 1984
- Article
Large-Scale Portfolio Optimization
By: André Perold
Keywords: Financial Instruments
Perold, André. "Large-Scale Portfolio Optimization." Management Science 30, no. 10 (October 1984): 1143–1160.
- Article
On the Optimal Structure of Liability Laws
By: Jerry R. Green
We consider the control of tvo-party accidents through the use of liability rules that assign damages according to whether or not predetermined standards for care have been met. Particular emphasis is given to how the differential in the costs of accident avoidance... View Details
Green, Jerry R. "On the Optimal Structure of Liability Laws." Bell Journal of Economics 7, no. 2 (Fall 1976): 553–574.
- 2017
- Working Paper
Optimal Tilts: Combining Persistent Characteristic Portfolios
By: Malcolm Baker, Ryan Taliaferro and Terry Burnham
We examine the optimal weighting of four tilts in US equity markets from 1968 through 2014. We define a “tilt” as a characteristic-based portfolio strategy that requires relatively low annual turnover. This is a continuum, with small size, a very persistent... View Details
Baker, Malcolm, Ryan Taliaferro, and Terry Burnham. "Optimal Tilts: Combining Persistent Characteristic Portfolios." Working Paper, March 2017.
- 01 Jun 2008
- News
Greed, Gullibility, and Optimism
RETSINAS: Too many people began to regard their homes as a guaranteed high-return investment. We just got carried away,” observes Nicolas Retsinas, a lecturer in real estate at HBS, whose distinguished career in housing, community development, and banking informs his... View Details
- Article
An Exploration of Optimal Stabilization Policy
By: N. Gregory Mankiw and Matthew C. Weinzierl
This paper examines the optimal response of monetary and fiscal policy to a decline in aggregate demand. The theoretical framework is a two-period general equilibrium model in which prices are sticky in the short-run and flexible in the long-run. Policy is evaluated by... View Details
Keywords: Fiscal Policy; Monetary Policy; Economic Models; Aggregate Demand; Demand and Consumers; Money; Mathematical Methods; Taxation; Spending; Policy; Welfare; Household; Economic Slowdown and Stagnation
Mankiw, N. Gregory, and Matthew C. Weinzierl. "An Exploration of Optimal Stabilization Policy." Brookings Papers on Economic Activity (Spring 2011). (Also Harvard Business School Working Paper, No. 11-113, May 2011 and NBER Working Paper Series, No. 17029, May 2011.)
- December 2013
- Article
Reputational Contagion and Optimal Regulatory Forbearance
By: Alan Morrison and Lucy White
Existing studies suggest that systemic crises may arise because banks either hold correlated assets or are connected by interbank lending. This paper shows that common regulation is also a conduit for interbank contagion. One bank's failure may undermine confidence in... View Details
Morrison, Alan, and Lucy White. "Reputational Contagion and Optimal Regulatory Forbearance." Journal of Financial Economics 110, no. 3 (December 2013): 642–658.
- March 2016 (Revised August 2018)
- Case
JPMorgan Chase after the Financial Crisis: What Is the Optimal Scope of the Largest Bank in the U.S.?
By: David Collis and Ashley Hartman
When Jamie Dimon took over as CEO of JPMorgan Chase & Co. (JPMorgan Chase) in 2005, he reaffirmed the commitment to pursue a "universal bank" strategy—providing a full range of products and services to both retail and wholesale clients. Yet the merits of the universal... View Details
Keywords: Scope; Regulatory Reforms; Universal Banking; Synergy; Optimization; Simplification; Finance; Strategy; Business Strategy; Financial Crisis; Consolidation; Corporate Strategy; Diversification; Governing Rules, Regulations, and Reforms; Banking Industry; Financial Services Industry
Collis, David, and Ashley Hartman. "JPMorgan Chase after the Financial Crisis: What Is the Optimal Scope of the Largest Bank in the U.S.?" Harvard Business School Case 716-448, March 2016. (Revised August 2018.)
- Research Summary
Optimal Contracting with Reciprocal Agents
(with Florian Englmaier) (Job Market Paper)
Abstract: Empirically, compensation systems often seem to generate substantial effort despite weak incentives. We consider reciprocal motivations as a source of incentives. We solve for the optimal... View Details
- 19 Aug 2009
- Working Paper Summaries
Optimal Taxation in Theory and Practice
- September–October 2023
- Article
Interpretable Matrix Completion: A Discrete Optimization Approach
By: Dimitris Bertsimas and Michael Lingzhi Li
We consider the problem of matrix completion on an n × m matrix. We introduce the problem of interpretable matrix completion that aims to provide meaningful insights for the low-rank matrix using side information. We show that the problem can be... View Details
Keywords: Mathematical Methods
Bertsimas, Dimitris, and Michael Lingzhi Li. "Interpretable Matrix Completion: A Discrete Optimization Approach." INFORMS Journal on Computing 35, no. 5 (September–October 2023): 952–965.
- January 2011
- Case
AIC Netbooks: Optimizing Product Assembly
By: Steven C. Wheelwright and Sunru Yong
AIC Systems, located in Taichung, Taiwan, is a manufacturer of printed circuit boards, primarily for motherboards and video cards for personal computers. The firm is considered an original design manufacturer (ODM) and takes an active role in innovating and designing... View Details
Keywords: Performance Management; Quantitative Analysis; Manufacturing; Production Planning; Production Management; Diversification; Production; Performance Efficiency; Product Design; Performance Improvement; Mobile Technology; Manufacturing Industry; Electronics Industry; Taiwan
Wheelwright, Steven C., and Sunru Yong. "AIC Netbooks: Optimizing Product Assembly." Harvard Business School Brief Case 114-245, January 2011.
- February 2009
- Article
Optimal Reserve Management and Sovereign Debt
By: Laura Alfaro and Fabio Kanczuk
Most models currently used to determine optimal foreign reserve holdings take the level of international debt as given. However, given the sovereign's willingness-to-pay incentive problems, reserve accumulation may reduce sustainable debt levels. In addition, assuming... View Details
Keywords: Borrowing and Debt; Motivation and Incentives; Decisions; Emerging Markets; Balance and Stability; Earnings Management; Policy; Interest Rates; International Finance; Cost
Alfaro, Laura, and Fabio Kanczuk. "Optimal Reserve Management and Sovereign Debt." Journal of International Economics 77, no. 1 (February 2009): 23–36. (Also Harvard Business School Working Paper, No. 07-010, 2006 and NBER Working Paper No. 13216.)
- January 2013
- Article
Preference Heterogeneity and Optimal Capital Income Taxation
By: Mikhail Golosov, Maxim Troshkin, Aleh Tsyvinski and Matthew Weinzierl
We examine a prominent justification for capital income taxation: goods preferred by those with high ability ought to be taxed. In an environment where commodity taxes are allowed to be nonlinear functions of income and consumption, we derive an analytical expression... View Details
Keywords: Taxation
Golosov, Mikhail, Maxim Troshkin, Aleh Tsyvinski, and Matthew Weinzierl. "Preference Heterogeneity and Optimal Capital Income Taxation." Journal of Public Economics 97 (January 2013): 160–175. (Also NBER Working Paper Series, No. 16619, December 2010.)