To minimize procurement expenditures both purchasing and transportation costs need to be considered. We study a procurement setting in which a company needs to purchase a number of products from a set of suppliers to satisfy customer demand. The suppliers offer total quantity discounts and transportation costs are based on truckload shipping rates. The goal is to select a set of suppliers so as...

Supplier selection and order allocation decisions are the main parties of a supply chain network which has high impact on economic performance this network. This study using an Economic Order Quantity (EOQ) concept proposes optimization model for integrated supplier problem where lot sizing, discounts, disruptions contributed among first studies in research area. To address uncertainty, scenari...

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Coordinating activities among members of a distribution channel has been a subject of great attention in the past two decades. Among various methods to coordinate independent channel members, a number of studies in the literature suggest quantity discount as a mechanism to achieve incentive-compatible coordination between a manufacturer and his retailer. The rationale behind this coordination m...

In recent years, per capita pork consumption in Canada has trended downward, while consumption of chicken and beef has remained relatively stable. One way the industry can respond to declining consumption is by investing in a promotional activity such as discounting. FARE researchers examined the effects of different types of discounts on the demand for pork products in Canada. The study used d...

The joint replenishment problem has been extensively studied and the strategy adopted by a large variety of retailers in recent years. However, under minimum order quantity other constraints does not receive sufficient attention. This paper analyzes retailing supply chain involving supplier that provides discount schedules limits quantity. include requirements for each item as to total quantity...

Is the cost of living higher for the poor? Recent studies based on unit values (the ratio of expenditure to quantity) suggest that poor households pay substantially higher prices because liquidity constraints force them to purchase goods in small quantities and not realize bulk discounts. Unit values are subject to several biases and reflect economizing choices made by households, so they may n...

One of the most important activities in the management of input items of a company is focusing on the process of purchasing, supplier selection and allocating order to suppliers. Decisions about supplier selection due to simultaneously taking inconsistent and diverse issues into account in a wide range of strategic to operational factors, and from quantitative to qualitative criteria will be co...