Title
The effect of capital lockup and customer trade credits on the optimal lot size—a confirmation of the EPQ
Abstract
The classical economic production quantity (EPQ) formula, which is obtained by balancing set-up and carrying costs, is reconsidered in this paper. Since the cost of capital tied up in stocked items is the most important part of the carrying costs, a refined approach considering different components of the capital lockup, i.e. direct labour, material, and set-up costs, is presented. Furthermore, in addition to the intensively discussed supplier trade credit, the hitherto neglected customer trade credit is introduced into the analysis. A comparison of the resulting lot-size formula and the classical one indicates that the ongoing discussion about financial refinements of the EPQ might end up at its starting point given by Harris (Oper. Res. 38 (1990) 947–50), as the classical formula can be transformed into the new one by choosing the crucial carrying cost parameter adequately. Consequently, several alternative approximations for the carrying cost parameter in the EPQ are evaluated.
Year
DOI
Venue
2003
10.1016/S0305-0548(02)00080-1
Computers & Operations Research
Keywords
DocType
Volume
Economic production quantity (EPQ),Trade credit,Costs per lot,Capital lockup
Journal
30
Issue
ISSN
Citations 
10
0305-0548
19
PageRank 
References 
Authors
1.09
2
3
Name
Order
Citations
PageRank
Dirk Biskup160241.37
Dirk Simons2464.22
hermann jahnke3353.77