Author
Listed:
- Kete Charles Chalermkraivuth
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- Srinivas Bollapragada
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- Michael C. Clark
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- John Deaton
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- Lynn Kiaer
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- John P. Murdzek
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- Walter Neeves
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- Bernhard J. Scholz
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
- David Toledano
(General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309)
Abstract
GE Asset Management Incorporated (GEAM), a wholly owned subsidiary of General Electric Company (GE), manages investment portfolios on behalf of various GE units and over 200 unaffiliated clients worldwide, including Genworth Financial (Genworth) and GE Insurance (GEI) portfolios worth billions of dollars. GEAM invests portfolios of assets—derived from cash flows for various insurance, reinsurance, and financial products—primarily in corporate and government bonds in accordance with risk and regulatory constraints. In asset-liability management (ALM) applications, portfolio managers try to maximize return or minimize risk and match the characteristics of asset portfolios with corresponding liabilities. While risk is widely represented by variance or volatility, it is usually a nonlinear measure; ALM portfolio managers traditionally need to use linear risk sensitivities for computational tractability. We developed a novel, sequential-linear-programming algorithm that handles the nonlinearity iteratively but efficiently. Patented and implemented on a limited basis since 2003, GE used it to optimize more than 30 portfolios valued at over $30 billion. It is now in broader use at GEAM, GEI, and Genworth. Hypothetically, based on $100 billion of assets, the present value of potential benefits could approximate $75 million over five years.
Suggested Citation
Kete Charles Chalermkraivuth & Srinivas Bollapragada & Michael C. Clark & John Deaton & Lynn Kiaer & John P. Murdzek & Walter Neeves & Bernhard J. Scholz & David Toledano, 2005.
"GE Asset Management, Genworth Financial, and GE Insurance Use a Sequential-Linear-Programming Algorithm to Optimize Portfolios,"
Interfaces, INFORMS, vol. 35(5), pages 370-380, October.
Handle:
RePEc:inm:orinte:v:35:y:2005:i:5:p:370-380
DOI: 10.1287/inte.1050.0164
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