Sur la durée d'observation dans les enquêtes à carnets de compte

Jean-Claude Deville

Annals of Economics and Statistics, 1987, issue 5, 183-195

Abstract: Surveys of consumption often rest on household records of expenditures over a given period. With the aid of a model relating to dates and amounts of purchases, one can drive conditions for the repartition in time of the observations thats yield unbiased estimates of annual spending. An exact formula for the variance of the estimator follows. It is possible also to derive some rules that permit improving the accuracy of the surveys, especially those concerning periodic purchases.

Date: 1987
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