نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری اقتصاد دانشگاه شهید باهنر کرمان، کرمان، ایران

2 دانشیار اقتصاد دانشگاه شهید باهنر کرمان، کرمان، ایران

3 استادیار اقتصاد دانشگاه شهید باهنر کرمان، کرمان، ایران

چکیده

وجود ارتباط مثبت میان سطح فعالیت اقتصادی و میزان نور اندازه‌گیری شده در تصاویر ماهواره‌ای در شب، قابل توجیه است و مطالعات متعددی این ارتباط را تأیید کرده‌اند. در این تحقیق برای اولین بار این ارتباط در اقتصاد ایران و در بازه زمانی سال‌های 1371 تا 1393 بررسی می‌شود. در ابتدا رویکرد تحلیلی بر مبنای داده‌های نور شبانگاهی (NTL) و فرآیند استخراج داده‌ها تشریح و سپس ارتباط میان NTL و سطح فعالیت اقتصادی بررسی می‌شود. نتایج برآورد الگوهای مختلف رگرسیونی، نشانگر وجود ارتباط مثبت و معنادار میان GDp حقیقی و NTL است و بنابراین انتظار می‌رود میان توزیع درآمد و توزیع NTL که نماگری از توزیع فعالیت‌های اقتصادی است، ارتباط مثبتی وجود داشته باشد. با توجه به کوواریانس میان ضرایب جینی یادشده در سطح استانی، رابطه مثبت بالا تأیید می‌شود که خود نشانگر مشابهت میان توزیع فعالیت‌های اقتصادی و توزیع درآمد در سطح استان‌ها است. بنابراین می‌توان با توزیع یکنواخت‌تر فعالیت‌های اقتصادی، توزیع درآمد را در سطح استان‌ها به سمت برابری بیشتر سوق داد. به‌عبارت‌دیگر بایستی در حوزه برنامه‌ریزی منطقه‌ای، توزیع فعالیت‌های اقتصادی در سطح هر استان به نحوی باشد که توزیع درآمد را به سمت برابری بیشتر سوق دهد.

کلیدواژه‌ها

عنوان مقاله [English]

Nighttime Monitoring of Economy: Introducing a Modern Regional Approach to Regional Planning

نویسندگان [English]

  • Reza Akhbari 1
  • Alireza Shakibai 2
  • Mehdi Nejati 3

1 PhD Candidate of Economics, Shahid Bahonar University, Kerman, Iran

2 Associate Professor of Economic, University of Shahid Bahonar, Kerman, Iran

3 Assistant Professor of Economics, Shahid Bahonar University, Kerman, Iran

چکیده [English]

The positive relationship between the level of economic activity and the measured nighttime light (NTL) by satellites can be justified, and several studies have confirmed this relationship. In this research, this relationship, in the period of 1992-2013, was investigated in Iran. The first step is to analyze the analytical approach based on NTL data and the process of data extraction, and then the relationship between NTL data and the level of economic activity was investigated. The results indicate a positive and significant relationship between real GDP and NTL; therefore, it is expected that income and NTL variables distributions have a positive relationship too. The covariance reveals the existence of the positive relationship, which indicates the similarity between the distributions of both variables in the provinces. Accordingly, by more uniform distribution of economic activities, income distribution at the provincial level can be directed towards greater equality. In other words, in the field of regional planning, the distribution of economic activities at the province level should be such that the distribution of income leads to greater equality.

کلیدواژه‌ها [English]

  • Nighttime light
  • Remote sensing
  • real GDP
  • Gini coefficient
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