Accounting for differences in choice opportunities in analyses of energy expenditure

Bente Halvorsen and Runa Nesbakken ()
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Runa Nesbakken: Statistics Norway, https://www.ssb.no/en/forskning/ansatte

Discussion Papers from Statistics Norway, Research Department

Abstract: Zero expenditure poses several challenges when estimating demand systems. Zero expenditure on energy goods occur due to limited opportunity to consume the good or because the household chooses not to use all available equipment (corner solution). In this paper we develop a method to estimate an Almost Ideal Demand System (AIDS) of household energy demand simultaneously using a Maximum Likelihood approach. The multivariate density of energy expenditures depends on the consumption opportunity of the individual household. We model the choice of corner solutions by a stochastic Kuhn-Tucker condition, and distinguish between zero expenditure due to limited consumption opportunities and corner solutions by using a Double Hurdle model. We find that accounting for zero expenditure in the estimation has a significant effect on the estimated parameters. Assuming stochastic interdependence between expenditures on different energy goods within the household, in addition to accounting for zero expenditure, has only a minor effect on the estimated coefficients.

Keywords: Residential energy consumption; AIDS model with full price index; zero expenditure; stochastic Kuhn-Tucker condition; double hurdle model; multivariate distribution. (search for similar items in EconPapers)
JEL-codes: D12 Q41 (search for similar items in EconPapers)
Date: 2004-12
New Economics Papers: this item is included in nep-ene
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Citations: View citations in EconPapers (1)

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