Data Envelopment Analysis, DEA
Hadi Shirouyehzad; Javid Jouzdani; Mazdak Khodadadi Karimvand
Abstract
There have been several major global outbreaks during the past decades, with the latest being the worst. The COVID-19 pandemic has infected hundreds of thousands and killed thousands in the world affecting most countries in around the globe. Outbreak response management efficiency can have a major impact ...
Read More
There have been several major global outbreaks during the past decades, with the latest being the worst. The COVID-19 pandemic has infected hundreds of thousands and killed thousands in the world affecting most countries in around the globe. Outbreak response management efficiency can have a major impact on the outcome of the pandemic. Therefore, in this paper, the performance of most seriously affected countries regarding contagion control and medical treatment of COVID-19 is evaluated using data envelopment analysis. The efficiency values are calculated based on the conditions of the countries and the number of confirmed cases in the first step in order to create a basis for analysis according to the contagion control. In the second step the performance evaluation is done considering the total number of confirmed cases, the death cases, and the recovered cases to evaluate the efficiency of medical treatment in the countries. The countries are also classified into four groups using area chart, and for each group, some suggestions and analyses are presented. The results show the performance of the countries regarding the contagion control and medical treatment.
Systems and service modeling and simulation
Javid Jouzdani; Hadi Shirouyehzad
Abstract
In recent decades, several outbreaks have threatened societies and claimed many lives. Outbreak response management plays a crucial role in reducing the fatality rate and the total healthcare system cost. Among all the parameters affecting the performance of the outbreak response system, the available ...
Read More
In recent decades, several outbreaks have threatened societies and claimed many lives. Outbreak response management plays a crucial role in reducing the fatality rate and the total healthcare system cost. Among all the parameters affecting the performance of the outbreak response system, the available resources are one of the most important. This becomes critical when the number of infected people who need such resources is substantial. In such circumstances, the system cost and the death rate may significantly rise. Therefore, in this paper, we present an analysis of the impact of the contact frequency among people during an outbreak considering the capacity of the healthcare system expressed as the total number of hospital beds following a systems dynamics approach. We investigate the case of the novel Coronavirus, known as COVID-19, in Iran for which the results indicate the circumstances under which the healthcare system may become exhausted, and a catastrophe may occur. Finally, some suggestions are made based on the analysis of the results to avoid such circumstances.
Khojasteh Rahimpour; Hadi Shirouyehzad; Mehdi Karbasian
Volume 3, 1(4) , December 2016, , Pages 1-14
Abstract
In today’s knowledge-based economy, intellectual capital has been used for organizations. Knowledge has been replaced with other capitals as the most important capital. The role of man power is notable as an effective factor and the most important capital. Also, organizational commitment has a ...
Read More
In today’s knowledge-based economy, intellectual capital has been used for organizations. Knowledge has been replaced with other capitals as the most important capital. The role of man power is notable as an effective factor and the most important capital. Also, organizational commitment has a considerable effect on the improvement of organization effectiveness and many variables. On the other hand, the function of organizations should be investigated for the purpose of maintaining their survival. Data enveloping analysis is one of the techniques which is used in this field. The aim of this study is to evaluate the function of organizational units based on the intellectual capital and organizational commitment with the use of DEA. In this study, units of operation, warehouse, design and manufacturing, production planning, quality assurance and education, laboratory and law enforcement became efficient and their efficiency ranks were identified with the use of AP method. Units of design and manufacturing, production and planning, quality assurance and education, operation, and laboratory were respectively ranked from first to fifth place and the rank of warehouse and law enforcement units were not identified. Also, the intensity of input effects on the organizational commitment was included customer capital, structural capital, and human capital.
Mona Ganjali; Hadi Shirouyehzad; Arash Shahin
Volume 3, 1(4) , December 2016, , Pages 39-48
Abstract
Today, the rapid increase of the industrial activities and uncontrolled consumption of natural resources cause environmental problems and interested companies in the activities that support sustainable environment. The primary concerns of reverse logistics are waste management, material recovery, part ...
Read More
Today, the rapid increase of the industrial activities and uncontrolled consumption of natural resources cause environmental problems and interested companies in the activities that support sustainable environment. The primary concerns of reverse logistics are waste management, material recovery, part recovery and product recovery. This paper aims to prioritize critical success factors of reverse logistics in HAMGAM KHODRO ASIA. The results were obtained through a questionnaire from the top-level managers and engineers that work in HAMGAM KHODRO ASIA. Results of case study show that critical success factors of expert and trained personnel, customer satisfaction, flexibility of system, financial advocate of managers and flexibility of management are the strength point of company. Weak points of this case study are environmental awareness, environmental issue, reduction in overall production cost, regularity issue and use of existing personnel.
Hadi Shirouyehzad; Mohammad Mehdi Tavakoli; Mostafa Badakhshian
Volume 3, 1(4) , December 2016, , Pages 49-57
Abstract
One of the most important issues in modern societies is to provide better services and evaluation of provided services. Service organizations are always looking to increase their level of customer satisfaction. In this context, Service quality and service quality gaps analysis are taken into account. ...
Read More
One of the most important issues in modern societies is to provide better services and evaluation of provided services. Service organizations are always looking to increase their level of customer satisfaction. In this context, Service quality and service quality gaps analysis are taken into account. In this paper a method developed for ranking service organization based on the services quality approach and multi attribute decision making tools. In this method, options are organizations and the indicators are service quality gaps. However, other than gaps the perception of service quality is considered as a separate indicator. The weight of indicators are calculated by paired comparisons tools and experts panel results. Linear assignment method is used to rank the options. The developed method is used to rank seven hotels in city of Isfahan. The results show that the implemented method ranked the Abbasi hotel as first and Kosar hotel as last in the ranking.
Hadi Shirouyehzad; Tahereh Kaviani Baghbadorani; Farimah Mokhatab Rafiee
Volume 2, Issue 3 , September 2015, , Pages 180-194
Abstract
A main factor of competitive advantage of present organizations is knowledge. Knowledge management (KM) is a conscious attempt as a new approach to create, disseminate, and apply knowledge in a way that valuable results were achieved for the organizations. The critical success factors (CSFs) of knowledge ...
Read More
A main factor of competitive advantage of present organizations is knowledge. Knowledge management (KM) is a conscious attempt as a new approach to create, disseminate, and apply knowledge in a way that valuable results were achieved for the organizations. The critical success factors (CSFs) of knowledge management have a considerable effect on the competitive position of the organizations. The aim of this article is to prioritize preeminent manufacturing brands of Isfahan Province based on the critical success factors of knowledge management. 12 critical success factors of knowledge management and their sub-factors were determined with reviewing the literature review. The questionnaire was designed based on these factors. 80 questionnaires were completed by senior managers, middle-level managers, executive managers, and employed supervisors. Data were analyzed with the use of fuzzy TOSIS technique and were prioritized based on the critical factors of organizations. According to the obtained results, Iran smelting company was placed in the first place with the similarity index of 0.5561 and Pars electric company was placed in the second place with the similarity index of 0.5366. Other companies were placed in the next places. Sepahan Cement Company was placed on the last place.
Elaheh Maghsoudi; Hadi Shirouyehzad; Arash Shahin
Volume 2, Issue 3 , September 2015, , Pages 195-203
Abstract
Uncertainly and change in the business environment has been a major topic in conducting research for long time. It seems that to recognize and classify the factors affecting organizational agility, need to specify the amount of their importance, because of knowing agility helps managers for better performance ...
Read More
Uncertainly and change in the business environment has been a major topic in conducting research for long time. It seems that to recognize and classify the factors affecting organizational agility, need to specify the amount of their importance, because of knowing agility helps managers for better performance and success of their company. The purpose of this research is assessment and priority of drivers and capabilities agility that influence in performance of project based organization. The research data are collected through questionnaire and the research methodology is based on Topsis technique. Result of the study shows that between agility capabilities competency and between agility drivers change in competition basis have the most influence in performance of the organization.
Hadi Shirouyehzad; Arash Shahin; Mina Dayani
Volume 2, Issue 2 , June 2015, , Pages 97-110
Abstract
To achieve the business goals, projects must be accurately done by project-based organizations. So, the aware of project performance is vital for this type of organizations. Given the projects play an important role in the development of any society, so the use of the best ways to implement, is very ...
Read More
To achieve the business goals, projects must be accurately done by project-based organizations. So, the aware of project performance is vital for this type of organizations. Given the projects play an important role in the development of any society, so the use of the best ways to implement, is very important. One of the most important methods employed is agile project management .method that the purpose of the application of this approach is delivering value to the employer. The employer in this project plays an important role. The contractor will also have an important role in the implementation of projects, knowledge of the perceptions of the employer and contractor project management agility standards play an important role in improving implementation of the projects. The purpose of this paper is that examine the criteria for agile project management, then compare it with the traditional method. Therefore, evaluates the projects in Foolad Technique according to perception of contractors and employer of the criteria for agile project management agility using MCDM. From 6 project which studying in Foolad Technique, project of Foundation equipment Abarkooh rolling Hall, received the highest level of priority based on perception of contractors and employers. The managers can increase and estimate the agility level of their organization through knowing and using these criteria.
Hadi Shirouyehzad; Arash Shahin; Mina Dayani
Volume 2, Issue 1 , March 2015, , Pages 1-14
Abstract
Agile project management concept was introduced in the 21st century for the first time to provide continuous and timely software to provide value to the shareholders. This method is also useful for a variety of projects to respond to environmental changes. As a dynamic business area, always there is ...
Read More
Agile project management concept was introduced in the 21st century for the first time to provide continuous and timely software to provide value to the shareholders. This method is also useful for a variety of projects to respond to environmental changes. As a dynamic business area, always there is a balance between the current and desired status of project-based organizations for which the study of the agile gap is important. In addition, there is no exact definition for desired status. Therefore, studying perception and expectation of contractors and employers is playing a main role for agile project management analysis. In this paper, data envelopment analysis has been applied to identify the most critical agile project management dimensions, based on the difference between contractors’ and employers’ perceptions and expectations. The case study includes six projects in Foolad technique Co. , the results showed that the following criteria are in critical condition in Foolad Technique Company: "team capabilities", " Customer Involvement", " Delivery Strategy" and "organizational environment"
Hadi Shirouyehzad; Hananeh Shirvani; Mohammad Reza Vasili
Volume 2, Issue 1 , March 2015, , Pages 52-63
Abstract
Nowadays, knowledge management has become a key element of knowledge-based organizations activities. These companies attempt to effectively and efficiently use of their intellectual investments and knowledge resources in order to achieve strategic objectives executing various knowledge management projects. ...
Read More
Nowadays, knowledge management has become a key element of knowledge-based organizations activities. These companies attempt to effectively and efficiently use of their intellectual investments and knowledge resources in order to achieve strategic objectives executing various knowledge management projects. This research is done to Prioritize organizations based on knowledge management processes. Therefore, in first step, the general model of knowledge comprised 4 processes of knowledge creation, knowledge storage, knowledge sharing and application of knowledge, are selected and they were weighted by the experts regards. The statistical population of this research was the chief and middle managers of the companies and a questionnaire was used to collect information. Then Fuzzy TOPSIS, one of multi criteria decision making algorithms was applied to Prioritize automotive part manufacturing companies. The results of prioritizing the organizations through Fuzzy TOPSIS model revealed that PeymanSanat company has the first rank in the field of knowledge management processes with the similarity indicator of 0.5975, and sensitivity analysis revealed the knowledge preservation and knowledge creation are the most effective factors.
Elaheh Maghsoudi; Hadi Shirouyehzad; Arash Shahin
Volume 1, Issue 5 , December 2014, , Pages 271-279
Abstract
Today’s performance evaluation system is the key factor in organization for evaluates the efficiency then plan for the future. Organization requires the methods that evaluate different aspects of the organization in spite of traditional methods that just consider to financial aspects of organization. ...
Read More
Today’s performance evaluation system is the key factor in organization for evaluates the efficiency then plan for the future. Organization requires the methods that evaluate different aspects of the organization in spite of traditional methods that just consider to financial aspects of organization. Considering agile project management is useful because of the variation of changes in the business world and trying to satisfy the customer then gain the competitive market. Succeed organization are which have more ability, speed and flexibility to answer the marketing changes. So notice agile project management in project based organization with the talent to consult and performing constructional project is so an important object. The purpose of this study is performance evaluation in project based organization with agile project management approach using data envelopment analysis. proposed model perform in 6 project based organization in Isfahan organization with constructional background that end their project in 2011-2014. The results of the study show that with notice to per approach and its effective index, can reach to higher efficiency.
Hadi Shirouyehzad; Seyyedeh Athar Mousavirad; Seyed Mojtaba Sajadi
Volume 1, Issue 4 , October 2014, , Pages 259-270
Abstract
Timetabling is one of the most difficult issues in the world; this is a combinatory optimization issue and it has been proven that it is a NP-Hard issue.University Courses Timetabling is very important especially for the exams and courses. The manual solving of the Timetabling needs a broad domain of ...
Read More
Timetabling is one of the most difficult issues in the world; this is a combinatory optimization issue and it has been proven that it is a NP-Hard issue.University Courses Timetabling is very important especially for the exams and courses. The manual solving of the Timetabling needs a broad domain of sources and time to create an applicable schedule with minimum interference in the curriculum and Professor's program is not easy. Different mathematical models and algorithms have been presented for this issue but each strategy considers different limitations according to its environment and factors. Timetabling is different for different university courses Timetabling. In this study a new multi objective mathematical model with new objective functions and new constrains has been presented for university courses timetabling. The present study tries to consider most restrictions for a training center. Finally the validity of the proposed model has been surveyed by a small numerical example and its solving by LINGO11 software shows that this model can satisfy all goals and limitations.
Hadi Shirouyehzad; Sayyed Milad Anvari
Volume 1, Issue 2 , June 2014, , Pages 96-111
Abstract
Sustainable production is using non-polluting processes and systems by considering energy conservation and natural resources, which is sustainable in terms of economic, safety and health for employees, society and consumers. In general sustainable production refers to valuable social production for all ...
Read More
Sustainable production is using non-polluting processes and systems by considering energy conservation and natural resources, which is sustainable in terms of economic, safety and health for employees, society and consumers. In general sustainable production refers to valuable social production for all working people. There are different perspectives on sustainable production indicators. However, some recent researches offered indicators for measuring sustainable production. Increasing the number of indicators causes managers’ confusion in using them. This paper offers a fuzzy inference system for indicators ranking in organizations. In this study, general prioritizations regardless of the type of manufacturing industry were considered and effort was focused on showing the relative degree of indicators for managers. So that it offers good understanding about importance of each indicator with regard to others for assessmenting the past, present and future of organizations. The results of the present study shows that beside economy, specialists have great attention on the environmental issues which is important and necessary for manufacturing in protecting natural resources and environments.