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Paper detail

Semiparametric Efficiency of GMM under Approximate Constraints

Generalized empirical likelihood and generalized method of moments are well spread methods of resolution of inverse problems in econometrics. Each method defines a specific semiparametric model for which it is possible to calculate efficiency bounds. By this approach, we provide a new proof of Chamberlain's result on optimal GMM. We also discuss conditions under which GMM estimators remain efficient with approximate moment constraints.

preprint2010arXivOpen access
Paul Rochet
math.STStatistics Theory
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Paul Rochet

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