Demand analysis of beef, poultry, and fish at household in West Sumatera Province (application of Almost Ideal Demand System Model)



Adli Putra Ermanda(1*), Jafrinur Jafrinur(2), James Hellyward(3)

(1) Faculty of Animal Science Andalas university
(2) Faculty of Animal Science Andalas university
(3) Faculty of Animal Science Andalas university
(*) Corresponding Author

Abstract


This study aims to determine: (1) pattern of consumption of beef, poultry, and fish in
households in West Sumatera Province (2) factors that influence the demand for beef, poultry,
and fish in households in West Sumatera Province. This study used an econometric approach
by building a model of the demand function for beef, poultry and fish commodities using raw
data from the Survey Sosial Ekonomi Nasional (SUSENAS) for West Sumatera Province in
2018. The total sample was 100 households. Data were analyzed using the Almost Ideal
Demand System (AIDS) analysis method. The consumption pattern of demand for beef, poultry
meat and fish are characterized by R2 by 0.8233, meaning that 82.33% in the proportion of
expenditure on animal foods can be explained by the variables used in the model. Variables
that influence the demand for meat with a level of 95% are the prices of each commodity in the
form of beef, poultry and fish, education level of housewives (dummy for higher education and
low education) and total household expenditure. Variables that influence the demand for meat
with a level of 90% are the number of household members. Variables that influence the
demand for meat with a level of 0% are the area of residence of the household (dummy for
urban and rural) and the age of the household mother.


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