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  • P-ISSN 1738-656X

한국개발연구. Vol. 28, No. 1, June 2006, pp. 117-144

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The Relationship between Inventories and Fixed Investment

Sun woo Shin

Author & Article History

Manuscript .


This study is to analyze the existence of the real buffer effect that reflects the effect of beginning-of-period inventory stocks effect on the demand for fixed investment, and the financial buffer effect indicates the substitution effect between end-of-period inventory stock and the source of financing for fixed investment. I use panel data of 361 Korean listed non-financial firms during 1990-2003. After the crisis, it also observed whether the relationship between inventory stocks and fixed investment has altered or not. I review the theoretical connection between inventory stock and fixed investment through the paper Bo(2004) and estimate the investment model by the method of GMM-SYS. The results show negative relation between end-of-period inventory stock and fixed investment in the whole period and each period classified, also it confirms that the relation between fixed investment and end-of-period investment is significantly negative. It can be interpreted through two aspects that firms not only use inventory stock as a buffer in response to unexpectedly high demand, but also utilize inventory stock as a source of financing for fixed investment. The results imply that firm's decision-making is much correlated with production- and-inventory stock adjustment, decision-making about fixed investment, and decision-making about financial affairs.


실질완충효과(Real Buffer Effect), 재무적 완충효과(Financial Buffer Effect), 동태적 GMM(Dynamic GMM), 고정투자(Fixed Investment)

JEL Code

C23, D21, E22

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