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Abstract
Journal of Official Statistics, Vol.19, No.3, 2003. pp. 265272

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A Practical Use for Instrumental-Variable Calibration

Abstract:
This article describes a simple scenario where defining an instrumental variable is helpful for computing calibration weights (i.e., weights that satisfy the specified calibration equation yet are asymptotically identical to the inverse selection probabilities). The implicit model is simple regression with an intercept. The choice of instrumental variable can reduce the possibility that any calibration weight will be less than one.

Keywords:
Remainder weights; positive weights; randomization consistant; population mean; remainder mean.

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