The Effects of Uncertainties on Inventory Management of Petroleum Products: A Case Study of Thailand

Weerawich Roekchamnong, Pongsa Pornchaiwiseskul and Anant Chiarawongse
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Weerawich Roekchamnong: Logistics Management, Graduate School, Chulalongkorn University, Thailand
Pongsa Pornchaiwiseskul: Faculty of Economics, Chulalongkorn University, Thailand
Anant Chiarawongse: Faculty of Commerce and Accountancy, Chulalongkorn University, Thailand

International Journal of Energy Economics and Policy, 2014, vol. 4, issue 3, 380-390

Abstract: This paper employed a Generalized Autoregressive Conditional Heteroskedasticity in Mean framework to examine (i) the relationship between uncertainty and inventory management,defined as an inventory to sale (IS) ratio; and (ii) the impacts of uncertainties in ex-refinery price, oil funds, and futures price on uncertainty in inventory management, measured as a conditional variance of the IS ratio. Using monthly data for five petroleum products from January 2008 to June 2013, the results indicate that uncertainty induces businesses to hold more of the IS ratio than required. The sensitivity analysis reports that uncertainty in ex-refinery price contributes mostly to the uncertainty in inventory management, while the impact of uncertainty in the oil fund on uncertainty in inventory management is relatively small. Interestingly, the result indicates that uncertainty in futures price can help mitigate uncertainty in inventory management and gives support to the existence of the futures market.

Keywords: Petroleum products; uncertainties; inventory management (search for similar items in EconPapers)
JEL-codes: D89 G31 Q41 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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