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      • Open Access Article

        1 - Productivity changes of units: A directional measure of cost Malmquist index
        G. Tohidi S. Tohidnia
        This study examines the productivity changes of decision making units in situation whereinput price vectors are varying between them and inputs are heterogeneous; that is a noncompetitivemarket. We present a directional measure of cost Malmquist productivity indexwhere More
        This study examines the productivity changes of decision making units in situation whereinput price vectors are varying between them and inputs are heterogeneous; that is a noncompetitivemarket. We present a directional measure of cost Malmquist productivity indexwhere incorporates the decision maker's preference over productivity change over time. Asimple numerical example is designed to illustrate the new measure of the cost Malmquistindex. Manuscript profile
      • Open Access Article

        2 - Meta cost Malmquist Index with variable relative importance as a function of time in different period and FDH models of DEA
        Parisa Firoozishahmirzadi Shaghayeh Rahimi Zohreh Gerailinezhad Nasiri Seyedsajad
      • Open Access Article

        3 - تاثیر شاخص متا مالمکوئیست روی بهینه سازی سبد دارایی
        زهره طائب شکوفه بنی هاشمی
        از آنجائیکه تغییر ارزش در معرض خطر شرطی (CVaR) در سطوح مختلف اطمینان برای بهینه سازی سبد بسیار موثر است، شاخص متا مالمکوئیست (MMI) دراین پژوهش استفاده شده است. برای این هدف، مدلهای میانگین- ارزش در معرض خطر شرطی با شاخص متا مالمکوئیست در حضور داده منفی معرفی گردیده است. More
        از آنجائیکه تغییر ارزش در معرض خطر شرطی (CVaR) در سطوح مختلف اطمینان برای بهینه سازی سبد بسیار موثر است، شاخص متا مالمکوئیست (MMI) دراین پژوهش استفاده شده است. برای این هدف، مدلهای میانگین- ارزش در معرض خطر شرطی با شاخص متا مالمکوئیست در حضور داده منفی معرفی گردیده است. مشابه تئوری مارکوویتزدر چارچوب میانگین- واریانس، ارزش در معرض خطر شرطی به عنوان سنجه ریسک بکار رفته و مدلها بدون در نظر گرفتن چولگی و کشیدگی بازده مطرح شده است. در این مطالعه تعدادی داده منفی وجود دارد، بنابراین مدلهای برمبنای مدل اندازه جهت دار مبنایی (RDM) است که مقادیر مثبت و منفی را می پذیرد. در این مقاله، کارائیها در همه سطوح اطمینان در مدل های میانگین- ارزش در معرض خطر شرطی و شاخص متا مالمکوئیست روی سطوح اطمینان به عنوان دوره ها در حضور داده منفی محاسبه شده است. این روش به سرمایه گذاران کمک می کند که سبدهای سودآورشان را با شاخص متا مالمکوئیست بسازند. همچنین یک مطالعه عملی روی بازار بورس ایران انجام گرفته است. Manuscript profile
      • Open Access Article

        4 - Performance evaluation of efficiency change and productivity growth in Supply Chain ‎Management‎
        M. Fallah ‎Jelodar M. Sanei S. Mamizadeh-‎Chatghayeh‎
      • Open Access Article

        5 - Productivity Evaluation and Measurement in Iranian Petroleum Industry Health Organization
        Meysam Azimian Mehdi Karbassian Hamed Rahimpour Shahrzad Falahi
        In health care provider organizations (HCPOs), there are several sub-units, simultaneously providing health and preventive services to the population covered, in which measuring productivity is one of the most important challenges for the managers of these organizations More
        In health care provider organizations (HCPOs), there are several sub-units, simultaneously providing health and preventive services to the population covered, in which measuring productivity is one of the most important challenges for the managers of these organizations. Hence, the purpose of this study is to provide an integrative approach of data envelopment analysis (DEA) and Malmquist productivity index (MPI) to monitor the productivity in Iranian Petroleum Industry Health Organization (PIHO) as an HCPO. In this study, using the indicators related to efficiency and defining the specialized indicators affecting the performance of the sub-units of this organization, the growth rate of the performance of the sub-units was determined through calculating four distance functions and Malmquist productivity Index. According to the results of this study, 27 specialized indicators in the fields of direct and indirect health and preventive services for monitoring the effectiveness of proposed HCPO have been presented. Also, the growth rate of productivity of the fifteen areas of the organization under study has been evaluated from 2019 to 2021. The innovative aspect of this article lies in the definition of effectiveness measurement indicators and presentation of a theoretical framework for monitoring the rate of productivity in HCPOs. The findings of this applied research in health service organizations can be used to enhance capacity in different areas of health care and save resources. Manuscript profile
      • Open Access Article

        6 - Effects of Human Capital on Total Factor Productivity in Iran
        Ahmad Asadzadeh Parviz Mohammadzadeh Akram Akbari Somaye Atapour
        For many economic planners and policy makers, enhancing productivityhas been one of the efficient methods in increasing economic growth. Basedon that, countries have invested a great deal to increase total factorproductivity. In this article, the effect of human capital More
        For many economic planners and policy makers, enhancing productivityhas been one of the efficient methods in increasing economic growth. Basedon that, countries have invested a great deal to increase total factorproductivity. In this article, the effect of human capital, openness to tradeand inflation on total factor productivity has been investigated in Iran during1976-2012. We estimated total factor productivity TFP, using Malmquistindex. We also investigated the effects of various factors on productivity,using Johansen and Juselius’ co-integration techniques. Our findingsindicate that human capital has a positive effect on productivity. We alsofound that openness has a positive and inflation has a negative effect on totalfactor productivity in Iran Manuscript profile
      • Open Access Article

        7 - Productivity analysis using MalmQuist index in private insurance companies of Zanjan province
        هما درودی بهجت آب چر الهام بیگدلی
        Abstract Promoting productivity leads to progress and development, and most developed and developing countries have made large investments to spread attitudes toward productivity and to generalize the use of techniques and methods to improve it. The present research is More
        Abstract Promoting productivity leads to progress and development, and most developed and developing countries have made large investments to spread attitudes toward productivity and to generalize the use of techniques and methods to improve it. The present research is applied in terms of purpose and library and non-interactive in terms of data collection. The statistical population studied in this study includes all private insurance companies in Zanjan province during the years 2015- 2017, which is a number of 23 companies and according to the nature of the research, sampling is not done and is a census method. The indicators used in this research are quantitative and the technique used is Malmquist productivity index and data envelopment analysis method. Based on the results of productivity measurement using a data envelopment analysis model based on MalmQuist index, in calculating the average efficiency of total technological changes in 2017 compared to 2015, it shows a growth of 3% in technological changes and total productivity. It has a growth rate of 51%. Also in the study of the effectiveness of technology changes in 2017 compared to 2015 has grown by 119 percent that the majority of units have positive technology changes, which increases the productivity of all factors in private insurance companies in Zanjan province. Manuscript profile
      • Open Access Article

        8 - Productivity Evaluation and Measurement in Iranian Petroleum Industry Health Organization
        Meysam Azimian Mahdi Karbasian Hamed Rahimpour Shahrzad Falahi
        In health care provider organizations (HCPOs), there are several sub-units, simultaneously providing health and preventive services to the population covered, in which measuring productivity is one of the most important challenges for the managers of these organizations More
        In health care provider organizations (HCPOs), there are several sub-units, simultaneously providing health and preventive services to the population covered, in which measuring productivity is one of the most important challenges for the managers of these organizations. Hence, the purpose of this study is to provide an integrative approach of data envelopment analysis (DEA) and Malmquist productivity index (MPI) to monitor the productivity in Iranian Petroleum Industry Health Organization (PIHO) as an HCPO. In this study, using the indicators related to efficiency and defining the specialized indicators affecting the performance of the sub-units of this organization, the growth rate of the performance of the sub-units was determined through calculating four distance functions and Malmquist productivity Index. According to the results of this study, 27 specialized indicators in the fields of direct and indirect health and preventive services for monitoring the effectiveness of proposed HCPO have been presented. Also, the growth rate of productivity of the fifteen areas of the organization under study has been evaluated from 2019 to 2021. The innovative aspect of this article lies in the definition of effectiveness measurement indicators and presentation of a theoretical framework for monitoring the rate of productivity in HCPOs. The findings of this applied research in health service organizations can be used to enhance capacity in different areas of health care and save resources. Manuscript profile