cost impact
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2021 ◽  
Vol 7 (2) ◽  

Newcastle disease is caused by Newcastle Disease Virus (NDV) leads to severe morbidity and mortality in poultry throughout the world and considered as lentogenic, mesogenic or velogenic based on the mean death of the chicken embryo. The NDV velogenic strain is deadly endemic in Pakistan. Poultry is considered as the second major industry in Pakistan having annual growth of 8-10%. Unfortunately, the increase of NDV cases leads to severe cost impact, loss of production and livelihood. This review highlights the current status and epidemiology of NDV in Pakistan. Various genotypes and sub-genotypes have been identified in Pakistan. Various ND cases have been reported in Pakistan which has very bad consequences on the economy and dealing of poultry products.


Author(s):  
Kaivalya M. Lal ◽  
Sai Sharath Parsi ◽  
Benjamin D. Kosbab ◽  
Eric D. Ingersoll ◽  
Hasan Charkas ◽  
...  

Author(s):  
Brent B. Moritz ◽  
Arunachalam Narayanan ◽  
Chris Parker

Problem definition: We study the bullwhip effect and analyze the impact of human behavior. We separate rational ordering in response to increasing incoming orders from irrational ordering. Academic/practical relevance: Prior research has shown that the bullwhip effect occurs in about two-thirds of firms and impacts profitability by 10%–30%. Most bullwhip mitigation efforts emphasize processes such as information sharing, collaboration, and coordination. Previous work has not been able to separate the impact of behavioral ordering from rational increases in order quantities. Methodology: Using data from a laboratory experiment, we estimate behavioral parameters from three ordering models. We use a simulation to evaluate the cost impact of bullwhip behavior on the supply chain and by echelon. Results: We find that cost increases are not equally shared. Human biases (behavioral ordering) at the retailer results in higher relative costs elsewhere in the supply chain, even as similar ordering by a wholesaler, distributor, or factory results in increased costs within that echelon. These results are consistent regardless of the behavioral models that we consider. The cognitive profile of the decision maker impacts both echelon and supply chain costs. We show that the cost impact is higher as more decision makers enter a supply chain. Managerial implications: The cost of behavioral ordering is not consistent across the supply chain. Managers can use the estimation/simulation framework to analyze the impact of human behavior in their supply chains and evaluate improvement efforts such as coordination or information sharing. Our results show that behavioral ordering by a retailer has an out-sized impact on supply chain costs, which suggests that upstream echelons are better placed to make forecasting and replenishment decisions.


Burns ◽  
2021 ◽  
Author(s):  
Kafi N. Sanders ◽  
Jyoti Aggarwal ◽  
Jennifer M. Stephens ◽  
Steven N. Michalopoulos ◽  
Donna Dalton ◽  
...  

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Jae-Seob Lee

PurposeThe purpose of the paper is to develop a method to integrate the schedule-based analysis with a productivity-based analysis to prove and support the result of the damages calculation.Design/methodology/approachIn this paper, a “cost and schedule impact integration” (CSI2) model is proposed to objectively show and estimate lost productivity due to changes in construction projects.FindingsA schedule-based analysis to include separate tracking of change order costs can be used to predict productivity due to the delay and disruption; changes in construction projects almost always result in delay and disruption. However, the schedule-based analysis needs to be integrated with a productivity-based analysis to prove and support the result of the damages calculation.Practical implicationsThe results of this study expand upon construction practices for proving and quantifying lost productivity due to changes in construction projects.Originality/valueThe contribution of the paper is summarized as the introduction of a “schedule impact analysis” into a “cost impact analysis” technique to assess the damages, as well as to demonstrate the labor productivity impact due to delay and disruption in construction projects.


2021 ◽  
Vol 108 (Supplement_7) ◽  
Author(s):  
Hanna Maroof ◽  
Khalid Khalifa ◽  
Ahmed Bakr ◽  
Isran Shah ◽  
Mona Abuelgasim ◽  
...  

Abstract Aim Determine compliance rate with a local policy implemented in 2017, and whether interventions from audit cycle 1 were successful. The policy stated that all children aged 6-18 with acute abdominal pain must initially be reviewed by the ED registrar/consultant and have a documented Alvarado score.  Method A closed loop audit on adherence to the 2017 policy and negative appendicectomy rate in children aged 6 to 18, with suspected appendicitis. The data were collected and analysed. Areas for improvement were discussed at the M&M meeting, alongside methods to achieve these improvements. Results The study included 67 patients aged 6-18 who underwent an appendicectomy in 2019. The study found that the Alvarado score had only 14.29% specificity. There was poor adherence to the 2017 protocol as only 36% had a documented Alvarado score and 55% had a senior ED review. Audit cycle 1 recommended improvement of ultrasound quality and increased use of CT scanning to reduce the negative appendicectomy rate. We found that only 2 patients had a CT. The negative appendicectomy rate in patients with and without an ultrasound remained at 8%, indicating no quality improvement. Nevertheless, our primary outcome showed that negative appendicectomy rates reduced from 28% to 11%. Conclusion These results demonstrate negligible impact of ultrasound and Alvarado scores. Good history-taking and clinical examination skills are key in reducing the negative appendicectomy rate. A specific ambulatory care pathway for children with suspected appendicitis has been implemented to lower inpatient stays and cost impact of unnecessary laparoscopies. 


Author(s):  
Sherif Haggag ◽  
Loai Nasrat ◽  
Hanafy Ismail

<p>This manuscript introduces the changes of a comprehensive electromechanical properties bundle for low density polyethylene compounded to microscale magnesia (LDPE/MgO) to obtain electrical cables insulating material. Composites of various filler loading weight ratios were prepared by melt intercalation technique; multiple samples were produced in sets as they were cut with definite dimensions as per recommendations of the related testing standard then electrically and mechanically examined following the instruction dictated by the code while preserving typical test condition for all sets. Dielectric strength, volume resistivity, capacitance, and loss angle were the tests of the electrical test pack, while elongation, tensile strength, and melt flow rate were the mechanical and rheological tests applied. Test’s findings were compared to each other’s and to the base material to identify the differentiation. Electrical test results show improvements in the composite features at low loading percentages, whereas the mechanical tests revealed a deterioration in the mechanical properties along with all ratios under investigation. The research aims to determine the compositing benefit extents and drawbacks when a conventional compounding method and inexpensive filler are used, incurring marginal cost impact.</p>


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