A system dynamic approach to study the behaviour of serial supply chain under uncertain environment

Jaipuria, Sanjita; Mahapatra, Siba Sankar

doi:10.1504/ijsom.2016.076504

Cited by 2 publications

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“…Today, most researchers and engineers use this method to improve the quality of tests and to find the key variables. S Jaipuria and SS Mahapatra 29 used DOE techniques in evaluating the behavior of supply chain with system dynamics in an uncertain environment.…”

Section: Literature Reviewmentioning

confidence: 99%

Analysis of the employment status of Iranian public universities graduates and the governmental policy using system dynamics approach

2022

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The increasing young population of Iran and the subsequent increase in the unemployment rate in recent years make the government adopt temporary policies to solve the unemployment problem. Establishing private universities and increasing the capacity of university admissions in higher education are among these policies. Although these policies can reduce the youth unemployment problem temporarily, it leads to an influx of highly educated people in the labor market in the long term. Creating job opportunities for these young people will be more difficult, which requires the extensive cooperation of universities and higher education institutions to train student entrepreneurs. Hence, in this present study, the employment of university graduates is simulated through system dynamics approach. Then using the experimental design method, sensitivity analysis and optimization of variables are performed. In the following, identifying the variables influencing the employment of university graduates, scenarios are introduced regarding dynamic universities in youth employment.

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Section: Literature Reviewmentioning

confidence: 99%

Analysis of the employment status of Iranian public universities graduates and the governmental policy using system dynamics approach

2022

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“…The BWE is sometimes coined as demand amplification, variance amplification or the Forrester effect. The BWE is the uncertainty in the supply chain caused by an increase in demand variability and lead time (Jaipuria & Mahapatra, 2016). In FMCG industries, the lead time is a significant factor influencing the performance of SCM at every stage of its operations.…”

Section: Introductionmentioning

confidence: 99%

A Discrete Event Simulation Analysis of the Bullwhip Effect in a Multi-Product and Multi-Echelon Supply Chain of Fast Moving Consumer Goods

Ali

Khalid

Qaiser

2020

Pak.j.stat.oper.res.

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Timely delivery is the major issue in Fast Moving Consumer Good (FMCG) since it depends on the lead time which is stochastic and long due to several reasons; e.g., delay in processing orders and transportation. Stochastic lead time can cause inventory inaccuracy where echelons have to keep high product stocks. Such performance inefficiency reflects the existence of the bullwhip effect (BWE), which is a common challenge in supply chain networks. Thus, this paper studies the impact of stochastic lead time on the BWE in a multi-product and multi-echelon supply chain of FMCG industries under two information-sharing strategies; i.e., decentralized and centralized. The impact was measured using a discrete event simulation approach, where a simulation model of a four-tier supply chain whose echelons adopt the same lead time distribution and continuous review inventory policy was developed and simulated. Different lead time cases under the information-sharing strategies were experimented and the BWE was measured using the standard deviation of demand ratios between echelons. The results show that the BWE cannot be eliminated but can be reduced under centralized information sharing. All the research analyses help the practitioners in FMCG industries get insight into the impact of sharing demand information on the performance of a supply chain when lead time is stochastic.

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A system dynamic approach to study the behaviour of serial supply chain under uncertain environment

Cited by 2 publications

References 0 publications

Analysis of the employment status of Iranian public universities graduates and the governmental policy using system dynamics approach

Analysis of the employment status of Iranian public universities graduates and the governmental policy using system dynamics approach

A Discrete Event Simulation Analysis of the Bullwhip Effect in a Multi-Product and Multi-Echelon Supply Chain of Fast Moving Consumer Goods

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