بررسي عوامل موثر بر سهم هزينه خريد خودروسواري نو در سبد هزينه اي خانوار شهري

The Survey on the Effective Factors in the Share of Expenditure for Buying a New Car in Urban Household

Generally, the share of expenditure of per commodity in the household budget indicates its importance in the combination of commodities (in the batch of commodity).In this paper, almost Ideal Demand System (AIDS) is utilized for study the effective factors in the share of expenditure for buying a new car in urban household with application of irregular (undated) data during 1984-2001. The results show that the change in price of any group of commodities with the exception of consumer real expenditure and number of household, has no effect on the share of expenditure of car, and the result of elasticity shows that during studied period, car is a luxury goods and elastic and is a substitutional for edible and unedible groups of goods and also is complemental for housing sector.