There is a well-established debate between Heckman sample selection and two-part models in health econometrics, particularly when no obvious exclusion restrictions are available. Most of this debate has focussed on the application of these models to health care expenditure. This paper revisits the debate in the context of female smoking and drinking, and evaluates the two approaches on three grounds: theoretical, practical and statistical. The two-part model is generally favoured but it is stressed that this comparison should be carried out on a case-by-case basis.
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Paper provided by Economic and Social Research Institute (ESRI) in its series Papers with number
HRBWP23.
Length: 35 pages Date of creation: Apr 2006 Date of revision: Handle: RePEc:esr:wpaper:hrb23
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