10.22099/ijes.2013.2034

چکیده

در این مقاله از شاخص تمرکز هرفیندال هیرشمن(HHI)، شاخص نسبت مضار هزینه‌ای (CDR) و شاخص صرفه‌های مقیاس کومانور و ویلسون(MES) در راستای شناخت مختصات بازارهای صنعتی استفاده شده است. همچنین در تحقیق حاضر از تکنیک TOPSIS فازی ارائه شده توسط چن (2000) و تابع عضویت مثلثی فازی در راستای شناسایی صنایع انحصاری ایران استفاده شده است. یافته‌های تحقیق مؤید آن است که انحصاری‌ترین صنایع ایران با توجه به سه مؤلفه ساختاری بازار(HHI، CDR و MES) به‌ترتیب عبارتند از: تولید محصولات توتون و تنباکو– سیگار، تولید وسایل بازی و اسباب‌بازی، تولید تجهیزات کنترل عملیات صنعتی و تولید کیف و چمدان و محصولات مشابه. همچنین نتایج این تحقیق بیانگر آن است که مانع ورود نقش اساسی در گسترش انحصارات در بازارهای ایران به‌همراه داشته است

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