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Decision Making for Supplier Selection Using the MOORA Method
-- Prasad Karande and Shankar Chakraborty
Constructing an appropriate model for supplier selection is an important function to improve capability and competitiveness of the business organizations. Proper selection of the suppliers not only avoids manufacturing delays but also helps saving material cost, leading to increase in the profit margins of the organizations. Thus, supplier selection has become crucial in today’s extremely competitive global environment for any organization to be successful. Availability of a large number of alternative suppliers with dissimilar strengths and weaknesses for different criteria requires a cautious step towards supplier selection. In the recent past, various Multi-Criteria Decision-Making (MCDM) methods have been successfully employed by the researchers to deal with the supplier selection problems. In this paper, Multi-Objective Optimization on the basis of Ratio Analysis (MOORA) is applied to solve two real-time supplier selection problems. The ranking performance of two extensions of MOORA method, i.e., full multiplicative MOORA method and reference point approach, are also tested for the considered problems. The results obtained using these three methods are observed to be almost similar to those derived by the past researchers. © 2012 IUP. All Rights Reserved.
A Study of Reasons Behind Delays in Pharmaceutical Projects
-- N Sai Nandeswara Rao and Nasina Jigeesh
The success of any project depends on various issues like completing the project in time and budget with quality, satisfying the customer. Though begun slowly, pharmaceutical industry has been aggressively implementing project management practices to handle projects systematically and in a goal-oriented manner. This study focuses on pharmaceutical projects and their delays. The progress of a number of real-world pharmaceutical projects is studied. The paper examines the accomplishment of service levels in terms of time from the perspective of internal project stakeholders. It attempts to investigate the causes for delays and the remedies for rectification. A framework is developed for the successful completion of projects in time. © 2012 IUP. All Rights Reserved.
Goal Programming: A Survey (1960-2000)
-- O P Dubey, R K Dwivedi and S N Singh
In the 1970s, considerable progress was made in the field of Operations Research, and Multi-Criteria Decision-Making (MCDM) procedures were advanced in several directions, viz., utility theory, goal programming, etc. Goal programming is one of the techniques used for obtaining a possible ‘satisfactory’ level of achieving various objectives and an approach to avoid stretching one’s resources. This paper scans through the engineering applications of optimization with different modeling approaches. This helps the reader to obtain a broad picture of the multitude of applications of optimization techniques. © 2012 IUP. All Rights Reserved.
M/M/1 Retrial Queue with Bernoulli Feedback, Linear Retrial Rate,
Collisions and State-Dependent Arrival Rates
--G N Purohit and Shinu Rani
An M/M/1 retrial queue with bernoulli feedback and collisions is studied in this paper. Any arriving customer or the customer from orbit, who finds the server busy, collides with the customer in service and both enter into the retrial orbit. The retrial policy is assumed to be a linear retrial policy. A linear retrial policy is a combination of both classical and constant retrial policy. Using Successive Over Relaxation method, steady-state probabilities are obtained. The effect of specific parameters on various system performance measures has been shown graphically. © 2012 IUP. All Rights Reserved.
Case Study:
Cross-Docking Helps JCPenney Reduce Materials Handling
and Make Logistics More Efficient
--Debapratim Purkayastha
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