Measuring the efficiency of organizations with hierarchical structures using DEA and game theory

Naser Ghasemi; Esmaeil Najafi; Farhad Hosseinzadeh Lotfi; Farzad Movahedi Sobhani

Volume 8, Issue 2 , December 2021, , Pages 1-25

  Most organizations and companies have hierarchical structures, and appropriate models are required to measure the efficiency of this kind of network systems. Data envelopment analysis (DEA) is a well-known method introduced for measuring the relative efficiency of a set of decision-making units (DMUs) ...  Read More

Designing a tourism industry model in Iran with the approach of the spatial correlation structure

Golnar Adabi; Ali Hajiha; Farhad Hosseinzadeh Lotfi

Volume 8, Issue 2 , December 2021, , Pages 261-276

  Studies in the field of the tourism industry are often carried out using classical statistics. While the use of spatial statistics in tourism helps a lot in identifying existing models and trends in the industry and discovering them. Due to the interaction between economic, political, environmental and ...  Read More

Measuring performance of a hybrid system based on imprecise data: Modeling and solution approaches

Ehsan Vaezi; Seyyed Esmaeil Najafi; Seyed mohamad Haji Molana; Farhad Hosseinzadeh Lotfi; Mahnaz Ahadzadeh Namin

Volume 6, Issue 2 , December 2019, , Pages 214-241

  Data Envelopment Analysis (DEA) is one of the methods most widely used for measuring the relative efficiency of DMUs in the world today.  The efficiency evaluation of the network structure opens the “black box” and considers the internal structure of systems. In this paper, a three-stage ...  Read More