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A least-squares Monte Carlo approach to the estimation of enterprise risk

Author

Listed:
  • Hongjun Ha

    (Saint Joseph’s University)

  • Daniel Bauer

    (University of Wisconsin-Madison)

Abstract

The estimation of enterprise risk for financial institutions entails a re-evaluation of the company’s economic balance sheet at a future time for a (large) number of stochastic scenarios. The current paper discusses tackling this nested valuation problem based on least-squares Monte Carlo techniques familiar from American option pricing. We formalise the algorithm in an operator setting and discuss the choice of the regressors (“basis functions”). In particular, we show that the left singular functions of the corresponding conditional expectation operator present robust basis functions. Our numerical examples demonstrate that the algorithm can produce accurate results at relatively low computational costs.

Suggested Citation

  • Hongjun Ha & Daniel Bauer, 2022. "A least-squares Monte Carlo approach to the estimation of enterprise risk," Finance and Stochastics, Springer, vol. 26(3), pages 417-459, July.
  • Handle: RePEc:spr:finsto:v:26:y:2022:i:3:d:10.1007_s00780-022-00478-7
    DOI: 10.1007/s00780-022-00478-7
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    References listed on IDEAS

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    More about this item

    Keywords

    Risk management; Least-squares Monte Carlo; Basis functions;
    All these keywords.

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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