سنجش رانت اقتصادی در ایران با استفاده از منطق فازی

Economic rent is complex and multidimensional phenomenon with multiple causes and effects. In recent years, in spite of the complexity and sensitivity of dealing with this complication, studies on the measurement of rent, the causes and ways of deterrence have been conducted by scientific and international assemblies. This article, using fuzzy logic, describes how to model economic relations, introduces a new algorithm for rent estimation in the period of ۱۹۸۱-۲۰۱۴ in Iran with an economic approach. The results of the research show that, with the assumption that "size of government" and "economic security" are the economic key determinants of rent, the trend of the economic rent fuzzy index of Iran during in period has fluctuated between ۰.۴۳ and ۰.۷۲ and has the ascending progress during this period. It is worth noting that, during the period under review, the lowest level of fuzzy economic rent index is related to the two periods of ۱۹۸۳ and ۱۹۸۷ and the highest rate of fuzzy economic rent index is related to the year ۱۹۹۳.

کلیدواژه ها:

رانت اقتصادی ، نظریه مجموعه فازی ، امنیت اقتصادی ، اندازه دولت ، ایران