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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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This paper empirically analyzes the consumption structure of Korean economy from 1970 to 1993. This study includes the process of deriving the demand system through consumer's utility maximizing behavior, of estimating derived expenditure share equations, of testing hypotheses about the consumer's preferences, of estimating demand elasticities of income and prices, and of analyzing the consumption structure using these estimated elasticities and the hypotheses testing results. The goods are durables, semi-durables, non-durables, and services. The data used in this paper is a quarterly Korean consumption expenditure data from the first quarter of 1970 to the last quarter of 1993; and the data was collected from the composition of final consumption expenditure of households by type in National Accounts (1994). The estimation method employed in this study is maximum likelihood method, which is known to be the most efficient way of estimating non-linear systems of equations.
The main results in this paper are; (1) the estimation results are very good in terms of fitting the data; each expenditure share equations possess very high R-square values, and the most of asymptotic t-values of estimated coefficients are also very high; (2) according to the hypotheses testing results about the consumer's preference, one cannot separate the consumer's utility by each goods consumed, and the consumer's utility does not possess the properties of homotheticity nor homogeneity; these results imply that there have been changes in the consumer's preferences during the data period; (3) the estimated income elasticities show rapid changes in consumption structure, and the major change comes from the consumption of durables; (4) the estimated price elasticities also implies the same pattern in the change of consumption structure, and the most elastic commodity has been durables, while the most inelastic one has been services; (5) the most of estimated cross elasticities of demand are negative values, which implies the most goods are complements rather than substitutes.
The main results in this paper are; (1) the estimation results are very good in terms of fitting the data; each expenditure share equations possess very high R-square values, and the most of asymptotic t-values of estimated coefficients are also very high; (2) according to the hypotheses testing results about the consumer's preference, one cannot separate the consumer's utility by each goods consumed, and the consumer's utility does not possess the properties of homotheticity nor homogeneity; these results imply that there have been changes in the consumer's preferences during the data period; (3) the estimated income elasticities show rapid changes in consumption structure, and the major change comes from the consumption of durables; (4) the estimated price elasticities also implies the same pattern in the change of consumption structure, and the most elastic commodity has been durables, while the most inelastic one has been services; (5) the most of estimated cross elasticities of demand are negative values, which implies the most goods are complements rather than substitutes.
목차
Ⅰ. 序論
Ⅱ. 需要方程式 體系의 導出
Ⅲ. 消費者 選好의 特性
Ⅳ. 推定結果 및 解釋
Ⅴ. 要約 및 結論
參考文獻
Abstract
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UCI(KEPA) : I410-ECN-0101-2009-326-014573404