Confidence Sets Based on Sparse Estimators Are Necessarily Large

Confidence sets based on sparse estimators are shown to be large compared to more standard confidence sets, demonstrating that sparsity of an estimator comes at a substantial price in terms of the quality of the estimator. The results are set in a general parametric or semiparametric framework.

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Year of publication:	2007-08
Authors:	Pötscher, Benedikt M.

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Type of publication:	Book / Working Paper
Language:	English
Notes:	Pötscher, Benedikt M. (2007): Confidence Sets Based on Sparse Estimators Are Necessarily Large.
Classification:	C44 - Statistical Decision Theory; Operations Research ; C1 - Econometric and Statistical Methods: General
Source:	BASE

Persistent link: https://www.econbiz.de/10015216779