- Azorín, J. D. B., & Alpañez, R. M. (2022). A new proposal to model regional input-output structures using location quotients: An application to Korean and Spanish regions. Papers in Regional Science, 101(5), 1219-1238. https://doi.org/10.1111/pirs.12692
- Balland, P. A., Boschma, R., & Crespo, J. (2024). Smart specialization policy in the European Union: Relatedness, knowledge complexity and regional economic resilience. Regional Studies, 58(1), 1-18. https://doi.org/10.2139/ssrn.2995986
- Ceapraz, I. L. (2008). The concepts of specialisation and spatial concentration and the process of economic integration: Theoretical relevance and statistical measures; The case of Romania’s regions. Romanian Journal of Regional Science, 2(1), 68-93.
- Crawley, A., Beynon, M., & Munday, M. (2013). Making location quotients more relevant as a policy aid in regional spatial analysis. Urban Studies, 50(9), 1854-1869. https://doi.org/10.1177/00420980124666
- Cruz, M., et al. (2025). Agglomeration, regional specialization and firm performance: Revisiting and unravelling the old riddle. European Planning Studies, 1-25. https://doi.org/10.1080/09654313.2025.2525495
- Dadashpour, H., & Sasani, M. (2018). The role of geographical concentration of industries and regional specialization in shaping Iran’s spatial structure during 1997-2011. Geography and Environmental Planning, 29(1), 95-112. [In Persian]
- Falcioğlu, P., & Akgüngör, S. (2008). Regional specialization and industrial concentration patterns in the Turkish manufacturing industry: An assessment for the 1980-2000 period. European Planning Studies, 16(2), 303-323. https://doi.org/10.1080/09654310701814678
- Faraji Rad, K., & Kazemian, G. (2017). Spatial analysis of social and cultural factors driving and hindering spatial planning and regional development in North Khorasan Province. Applied Sociology, 28(4), 155-172. [In Persian]
- Foray, D. (2025). The microeconomics of smart specialization: Technological capabilities and policy design in developing regions. Journal of Economic Geography, 25(2), 241-265. https://doi.org/10.1007/s13132-025-02736-3
- Ghaffari Fard, M., Rezaei, E., & Houman, A. (2019). Assessment of spatial justice in the counties of Region 9 of Iran’s spatial planning (Greater Khorasan) based on the balanced regional development law indicators. Social and Cultural Studies of Khorasan, 14(2), 103-126. https://doi.org/10.22034/fakh.2020.212564.1381 [In Persian]
- Gómez, M., & Silva, A. (2025). Extractivism and enclave economies: Unpacking the spatial Gini in resource-rich sub-national regions. Spatial Economic Analysis, 20(1), 88-112. https://doi.org/10.1080/17421772.2025.2590297
- Government Information Base. (2010). Determination of nine macro-regions in terms of spatial planning in the country. https://www.dolat.ir/detail/199166 [In Persian]
- Hassink, R., & Gong, H. (2026, in press). Evolutionary economic geography and industrial policy: Steering regional economic restructuring. European Planning Studies.
- Javanshiri, M., Namdarzadeh, M., & Nabiouni, S. (2021). Identification and analysis of key drivers affecting the feasibility of spatial planning projects (Case study: Razavi Khorasan Province). Geographical Studies of Arid Regions, 12(43), 62-87. https://jargs.hsu.ac.ir/article_161537.html [In Persian]
- Kemeny, T., & Storper, M. (2015). Is specialization good for regional economic development? Regional Studies, 49(6), 1003-1018.
- Lengyel, I., & Szabó, B. (2024). Spatial concentration of the ICT sector in the digital age in Central and Eastern Europe. European Planning Studies, 32(9), 1835-1854. https://doi.org/10.1080/00343404.2014.899691
- Liu, Y., Ma, J., & Chen, J. (2020, December). An empirical study on industrial agglomeration in Guangdong-Hong Kong-Macao Greater Bay Area based on location quotient. In 2020 5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE) (pp. 1190-1193). IEEE.
- Manouchehri, S., Barghi, H., & Ghanbari, Y. (2023). Structural analysis of development drivers affecting the feasibility of the Kurdistan Province spatial planning project based on the role of rural areas. Journal of Geography and Development, 21(72), 205-238. https://doi.org/10.22111/GDIJ.2023.44024.3462 [In Persian]
- Mohammadzadeh, M., & Molaei, A. (2023). Explaining Islamic rulings and ethics in spatial planning (Case study: Khorasan Region). Fiqh and History of Civilization, 9(3), 19-35. https://www.noormags.ir/view/fa/articlepage/2200970 [In Persian]
- Mohseni Zonozi, S. J., Sadeghpour, S., & Dehghandorest, M. (2019). Investigating the effects of industrial geographical concentration and distribution of employees’ educational levels on labor productivity in the food and beverage industry subsectors. Economic Researches (Sustainable Growth and Development), 19(4), 159-184. https://ecor.modares.ac.ir/article_13445_e3edca0f6e68bfb76eaf26a8eb6dd94b.pdf [In Persian]
- National Spatial Planning Document. (2020). [In Persian]
- National Statistics Portal. (2024). Classifications. https://amar.org.ir/classifications [In Persian]
- Panzera, D., Cartone, A., & Postiglione, P. (2022). New evidence on measuring the geographical concentration of economic activities. Papers in Regional Science, 101(1), 59-79.
- Purkarthofer, E., Humer, A., & Mäntysalo, R. (2021). Regional planning: An arena of interests, institutions and relations. Regional Studies, 55(5), 773-777. https://doi.org/10.1080/00343404.2021.1875128
- Purkarthofer, E., Humer, A., & Mäntysalo, R. (2021). Regional planning: An arena of interests, institutions and relations. Regional Studies, 55(5), 773-777. https://doi.org/10.1080/00343404.2021.1875128
- Pylak, K., Deegan, J., & Broekel, T. (2025). Smart specialisation or smart following? A study of policy mimicry in priority domain selection. Regional Studies, 59(1), 226-242. https://doi.org/10.1080/00343404.2024.2429626
- Quintero, J. (2007). Regional economic development: An economic base study and shift-share analysis of Hays County, Texas.
- Rahmani, J., & Zabardast, E. (2018). Urban population system in the regions of Iran with emphasis on a comparative study of the South Alborz and Khorasan regions. Environmental Planning, 11(41), 115-138. https://civilica.com/doc/1358536 [In Persian]
- Rahmati, E., Mohammadi, H., & Karbasi, A. (2021). Analysis of the sustainability of livestock sub-sector activities in the provinces of Iran. Agricultural Economics and Development, 29(115), 189-208. https://sid.ir/paper/952804/fa [In Persian]
- Sedighi, E., Salman Mahini, A. R., Mirkarimi, S. H., Deliri, H., & Fath, B. (2019). Identification and analysis of key regional planning drivers based on futures studies in Gorgan County. Scientific Journal of Spatial Planning, 11(2), 205-233. https://www.noormags.ir/view/fa/articlepage/1594952 [In Persian]
- Shahnazari, A., Derikandeh, D., Jafari Sayadi, F., Keykha, M., & Alaashti, M. R. (2022). Assessment of comparative advantage in the production of horticultural and agricultural products in Mazandaran Province: An applied approach based on comparative advantage indices. Iranian Journal of Irrigation and Drainage, 16(6), 1196-1210. https://sid.ir/paper/1053926/fa [In Persian]
- Sheikhi Tash, M. N., & Roudini, K. (2019). Measuring the geographical concentration coefficient of manufacturing industries and the importance of industrial specialization in the provinces of Iran. Geography and Regional Urban Planning, 9(31), 173-196. [In Persian]
- Smith, J., & Chen, Y. (2024). Statistical noise in regional science: The impact of global shocks on spatial concentration indices. Journal of Regional Science, 64(3), 501-522.
- Tabassum, U., Nazeer, M., Zehra, N., & Abdullah, A. (2022). Economic structure of major cities of Pakistan: A regional specialization and concentration analysis. Competitive Social Science Research Journal, 3(2), 434-452.
- Tashkini, A., Mohammadi, M., & Faizi Rad, M. A. (2023). Regionalization of the country with a sustainable employment development approach. Business Research Journal, 27(108), 237-253. https://doi.org/10.22034/ijts.2023.2013208.3906 [In Persian]
- Traistaru, I., Nijkamp, P., & Longhi, S. (2002). Regional specialization and concentration of industrial activity in accession countries (No. B16-2002). ZEI Working Paper.
- Venugopalan, V., & Misra, A. (2025). The ten predicaments of new industrial policy in practice. Policy Paper, Harvard University Kennedy School of Government.
- Wheeler, J. O. (2005). Geography. In K. Kempf-Leonard (Ed.), Encyclopedia of Social Measurement. Elsevier.
- Zhao, X., et al. (2025). The impact of industrial synergistic agglomeration on residents’ health: Evidence from China. Frontiers in Public Health, 13. https://doi.org/10.3389/fpubh.2024.1410359