تعیین بخش‌های اقتصادی با بیشترین پیوند پسین و پیشین در استان اصفهان با تاکید بر تعدیل ضرایب تکنولوژی ملی: روش CHARM

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری اقتصاد گروه اقتصاد دانشکده علوم اداری و اقتصاد دانشگاه اصفهان، اصفهان، ایران

2 استاد گروه اقتصاد دانشکده علوم اداری و اقتصاد دانشگاه اصفهان، اصفهان، ایران

3 دانشیار گروه اقتصاد دانشکده علوم اداری و اقتصاد دانشگاه اصفهان، اصفهان، ایران

4 دانشیار گروه اقتصاد دانشکده علوم اجتماعی و اقتصاد دانشگاه الزهرا، تهران، ایران

10.29252/jem.2023.230485.1820

چکیده

ارائه تحلیل به کمک جداول داده-ستانده منطقه‌ای، راهی برای شناخت اقتصاد منطقه و سیاست‌گذاری‌های بخشی است. در ایران به دلیل عدم جمع آوری داده‌های منطقه‌ای توسط نهادهای بالادستی، روش‌های غیرآماری برای برآورد جداول داده-ستانده منطقه‌ای مورد توجه بوده است. روش ، یکی از روش‌های مرسوم منطقه‌ای‌سازی جداول داده-ستانده ملی در شرایط وجود تجارت همزمان دو طرفه است. امّا یکی از مشکلات روش ، فرض برابری ضرایب تکنولوژی ملی و منطقه‌ای است. با وجود این فرض تفاوت منطقه‌ای عملاً نادیده گرفته می‌شود. این پژوهش در تلاش است تا با منطقه‌ای‌سازی ضرایب تکنولوژی ملی، از کم برآوردی ارزش افزوده استانی جلوگیری کند و تفاوت منطقه‌ای را نیز در ارائه تحلیل‌ها دخیل سازد. همچنین در ادامه، بخش‌های با بیشترین پیوند پسین و پیشین شناسایی می‌شوند. نتایج نشان می‌دهد که ارزش افزوده استان اصفهان و سایر استان‌های کشور در حالت تعدیل شده به واقعیت نزدیک‌ترند. همچنین بخش صنعت استان اصفهان در حالت تعدیل شده دارای بیشترین پیوند پسین و پیشین است.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Determining the Economic Sectors with Most Backward and Forward Linkages in Isfahan Province with an Emphasis on Adjustment of National Technology Coefficients in the CHARM Method

نویسندگان [English]

  • Maryam Amini 1
  • Nematola Akbari 2
  • Rozita Moayedfar 3
  • Fateme Bazazan 4
1 PhD Candidate in Economics, Faculty of Administrative Sciences and Economics, University of Isfahan, Isfahan, Iran
2 Professor of Economics, Faculty of Administrative Sciences and Economics, University of Isfahan, Isfahan, Iran
3 Associate Professor of Economics, Faculty of Administrative Sciences and Economics, University of Isfahan, Isfahan, Iran
4 Associate Professor of Economics, Faculty of Social Sciences and Economic, Al-Zahra University, Tehran, Iran
چکیده [English]

Using regional input- output tables is a way to understand regional economy and sector policies. In Iran, due to the lack of regional data collection by national institutions, non-statistical methods for estimating regional input-output tables have been of interest. The CHARM method is one of the conventional methods of regionalization the national input-output tables in the conditions of simultaneous bilateral trade. But one of the problems of CHARM method is the assumption of equality of national and regional technology coefficients. With this assumption, the regional difference is practically ignored. This study is trying to prevent the underestimation of provincial value added by regionalizing the coefficients of national technology and to include regional differences in the analysis. Also, the sections with the most posterior and anterior links will be identified. The results show that the value added of Isfahan province and other provinces of the country are closer to reality in the adjusted state. Also, the industrial sector of Isfahan province has the most backward and forward linkages in the adjusted state.

کلیدواژه‌ها [English]

  • Regional Economics
  • Input–Output Models
  • Regional Development Planning
  • Isfahan

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