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ADULT EQUIVALENT SCALES REVISITED AgEcon
Demoussis, Michael; Mihalopoulos, Vassilis.
Use of the Tobit model for estimation of adult equivalent scale (AES) parameters and expenditure equations presupposes that zero observations represent exclusively corner solutions. This paper tests for the underlying causes of zero observations and estimates accordingly the AES parameters, the household size in adult equivalents and the resulting expenditure equations and consumption profiles. The empirical application concerns Greek household "soft" and "hard" cheese consumption. The statistical results indicate that for the examined cheese categories the "double hurdle participation" model adjusted for non-normality and heteroskedasticity is the appropriate model for the estimation of AES parameters and expenditure equations.
Tipo: Journal Article Palavras-chave: Adult equivalent scales; Double-hurdle models; Soft and hard cheese; Greece; Food Consumption/Nutrition/Food Safety; Research Methods/ Statistical Methods.
Ano: 2001 URL: http://purl.umn.edu/15291
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Consumption Profiles for Various Food Groups in Greece AgEcon
Mihalopoulos, Vassilis; Demoussis, Michael.
Adult Equivalent Scales (AES) in household consumption analysis are profoundly more appropriate and more revealing than the "average per capita" consumption, which treats every household member on an equal basis. This paper provides estimates of AES parameters for five important food groups of the typical Greek diet (meat, fish, fruits and vegetables, dairy products and legumes). Data from the 1993/94 Household Budget Survey were used and a Tobit limited dependent variable model was employed for estimation purposes. The results of the empirical analysis indicate that the age and gender composition of Greek households is a major determinant of food demand and consumption. In addition, the true household size varies substantially among the examined food...
Tipo: Journal Article Palavras-chave: Food Consumption/Nutrition/Food Safety.
Ano: 2000 URL: http://purl.umn.edu/26453
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