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A new proof of the Lagrange multiplier rule

Author

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  • Brinkhuis, J.
  • Protassov, V.

Abstract

We present an elementary self-contained proof for the Lagrange multiplier rule. It does not refer to any substantial preparations and it is only based on the observation that a certain limit is positive. At the end of this note, the power of the Lagrange multiplier rule is analyzed.

Suggested Citation

  • Brinkhuis, J. & Protassov, V., 2015. "A new proof of the Lagrange multiplier rule," Econometric Institute Research Papers EI2015-39, Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute.
    • Handle: RePEc:ems:eureir:79540
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    Keywords

    Lagrange multiplier rule; penalty function;

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