برآورد ضریب جینی با توجه به اندازۀ دولت با استفاده از رگرسیون غیرخطی فازی | ||
فصلنامه مطالعات اقتصادی کاربردی ایران | ||
مقاله 3، دوره 11، شماره 44، اسفند 1401، صفحه 59-79 اصل مقاله (1.14 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22084/aes.2022.25559.3388 | ||
نویسندگان | ||
رضا اشرفگنجویی* 1؛ محمد رحیمیقاسمآبادی2 | ||
1استادیار گروه اقتصاد، دانشکدۀ مدیریت و اقتصاد، دانشگاه سیستان و بلوچستان، زاهدان، ایران | ||
2دانشجوی دکتری، دانشگاه آزاد اسلامی، واحد کرمان، کرمان، ایران. | ||
چکیده | ||
این مقاله به بررسی تأثیر اندازۀ دولت بر آستانههای بالا، متوسط و پایین ضریب جینی در ایران میپردازد. برای اینمنظور از مدل خود رگرسیون انتقال ملایم لجستیک فازی (FLSTAR) برای دورۀ زمانی 1375-1397 استفاده شده است. یکی از دلایل استفاده از این مدل انعطافپذیری در کاربرد آن است. تمرکز اصلی این پژوهش، محاسبۀ باندهای ضریب جینی با توجه به اندازۀ دولت در اقتصاد است. از اینرو، باندهای (بالا، متوسط و پایین) ضریب جینی محاسبه شده است. این مطالعه نشان میدهد که اندازۀ آستانه دولت برابر 499/0 است. یافتههای این تحقیق در یک اقتصاد واقعی کاربرد دارند که بیانگر آن است با افزایش سهم دولت در اقتصاد، ضریب جینی نیز افزایش مییابد؛ بنابراین دولت باید سیاستهای خصوصیسازی را بهطور جدی دنبال کند. | ||
کلیدواژهها | ||
ضریب جینی؛ رگرسیون فازی؛ اندازۀ دولت | ||
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