scholarly journals Multi-Warehouses Inventory Problem of Deteriorating Items with Fuzzy Lead-Time and Partial Lost Sales under Inflation and Time Value of Money

2014 ◽  
Vol 92 (13) ◽  
pp. 11-19
Author(s):  
Jayanta KumarDey ◽  
Shyamal Kumar Mandal ◽  
Manoranjan Maiti
Keyword(s):  
Lead Time ◽  
Deteriorating Items ◽  
Lost Sales ◽  
Inventory Problem ◽  
Time Value Of Money ◽  
Time Value ◽  
Value Of Money

An Integrated Vendor-Buyer Model with Uncertain Lead Time, Life Time under Inflation and Variable Holding Cost

2011 ◽  
Vol 2 (3) ◽  
pp. 54-63 ◽  
Author(s):  
S. R. Singh ◽  
Diksha Bhatia
Keyword(s):  
Lead Time ◽  
Life Time ◽  
Time Value Of Money ◽  
Time Value ◽  
Deterioration Rate ◽  
Holding Cost ◽  
Variable Holding Cost ◽  
Value Of Money ◽  
Unsatisfied Demand ◽  
Shortage Costs

This study considers the problem of a vendor which supplies an item to the buyer with imprecise partial backlogging rate of unsatisfied demand and non instantaneous deterioration rate considering variable holding cost, the effect of inflation and time value of money. The supplier’s lead time is a stochastic function of his managing cost. The extra costs incurred by the retailer due to the uncertain lead time in terms of shortage costs or lost sales costs should be owed by the supplier. A numerical example is cited to illustrate the results and its significant features. Finally, to study the effect of changes of demand parameters, deterioration, inflation and managing cost on supplier and the retailer’s profit, a sensitivity analysis is presented numerically.

A Time Dependent Order Level Inventory Model for Beta Deterioration in Two Warehouse Systems

2015 ◽  
Vol 6 (2) ◽  
pp. 53-69 ◽  
Author(s):  
Soumendra Kumar Patra ◽  
Tapan Kumar Lenka ◽  
Er. Purna Chandra Ratha
Keyword(s):  
The Other ◽  
Time Dependent ◽  
Inventory Problem ◽  
Time Value Of Money ◽  
Continuous Release ◽  
Time Value ◽  
Distribution Form ◽  
Deterioration Rate ◽  
Demand Rate ◽  
Value Of Money

An inventory problem for a deteriorating item having two separate warehouses is developed under time value of money, whereby one is an own warehouse (OW) of finite dimension(s) and the other is rented warehouse (RW) of infinite dimension(s). Deterioration rate of items in the two warehouses may be different, which is time dependent and deterioration is in the mean beta distribution form. In this study, shortages and complete backlogging have been considered as the other items, whereby the demand rate of items is linear with time in OW and the same is linear with price in case of RW. Also, the stocks of RW transported to OW in continuous release pattern.

An Integrated Vendor-Buyer Model with Uncertain Lead Time, Life Time under Inflation and Variable Holding Cost

2013 ◽  
pp. 371-380
Author(s):  
S. R. Singh ◽  
Diksha Bhatia
Keyword(s):  
Lead Time ◽  
Life Time ◽  
Time Value Of Money ◽  
Time Value ◽  
Deterioration Rate ◽  
Holding Cost ◽  
Variable Holding Cost ◽  
Value Of Money ◽  
Unsatisfied Demand ◽  
Shortage Costs

This study considers the problem of a vendor which supplies an item to the buyer with imprecise partial backlogging rate of unsatisfied demand and non instantaneous deterioration rate considering variable holding cost, the effect of inflation and time value of money. The supplier’s lead time is a stochastic function of his managing cost. The extra costs incurred by the retailer due to the uncertain lead time in terms of shortage costs or lost sales costs should be owed by the supplier. A numerical example is cited to illustrate the results and its significant features. Finally, to study the effect of changes of demand parameters, deterioration, inflation and managing cost on supplier and the retailer’s profit, a sensitivity analysis is presented numerically.

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