Exact(1)
The goal programming model helps to allocate orders among the supplier pool and the contract-spot allocation model can assign orders between the spot market and the supplier pool, respectively.
Similar(58)
However, there are limitations of existing methods for modeling multiple correlated risks to support decision makers for allocating orders among multiple suppliers in the presence of spot market.
This paper proposes an integrated method for dealing with such problems using a combined Analytic Hierarchy Process Quality Function Deployment (AHP QFD) and chance constrained optimization algorithm approach that selects appropriate suppliers and allocates orders optimally between them.
In the mentioned work they have focused especially on the final selection stage that consists of determining the best mixture of vendors and allocating orders among them so as to satisfy different purchasing requirements.
Comparing the amount of allocated orders in objective function's independent and simultaneous optimization, it can be concluded that all functions are effective in supplier selection and order allocation processes, and the manufacturer (buyer -suppliers coordination is fulfilled efficiently according to manufacturer quantity discount policy.
Indeed, Table 10 shows that function's simultaneous optimization causes an effect on each function's independent results leading to changes in items such as number of selected suppliers per each part, list of suppliers per each part, amount of allocated orders to selected suppliers per each part, and order discount interval selection.
In the meantime, selecting suppliers based on the perspective of the buyer and allocating orders to their suppliers are one of the main issues to optimize the supply chain in various aspects such as reducing costs in the various policies available on the market that each member considers it.
In the following, the amounts of allocated order to suppliers per each part in independent and simultaneous optimization are shown in Table 10.
Participants were seated to wait for the next allocated data collector on the participant's card, until he or she had seen all four data collectors in the allocated order.
However, it is not clear if local councils will have either the levers to pull, or the resources to allocate, in order to have much of a positive impact.
We then propose a general, two-parameter mechanism in which one parameter is used to determine the joint replenishment frequency, another is used to allocate the order costs based on firms' reports.
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