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The coefficient of the whole is an average of the coefficients of its parts: A special case of restricted least squares

Hiau Looi Kee ()

Economics Letters, 2009, vol. 104, issue 3, 136-139

Abstract: This paper provides a consistent estimate of the bound of the marginal effect of an unobserved right-hand side variable on the dependent variable when only the sum of that variable with a positively correlated variable is available.

Keywords: Restricted; least; squares; Measurement; errors (search for similar items in EconPapers)
Date: 2009
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Handle: RePEc:eee:ecolet:v:104:y:2009:i:3:p:136-139