AghapourSabbaghi, M. 2019. Investigating the factors affecting the export of Iranian saffron to BRICS countries (Panel data approach). Journal of Saffron Agronomy and Technology 7 (3): 411-420. (In Persian with English Summary).
AlipourShirsavar, H., and Shirinpour, M. 2016. The effect of electronic customs administration on facilitating the export activities of export companies based in Gilan, Iran. Intellectual Economics 10 (2): 114-121.
Aminizadeh, M., Karbasi, A., Riahi, A., and Ramezani, M. 2020. Assessing the effect of Iran’s membership in trade agreements on saffron exports. Journal of Saffron Agronomy and Technology 7 (4): 537-549. (In Persian with English Summary).
Amiri, H., and AminiDaran, M. 2018. Factors affecting diversification of industrial exports in Iran. Iranian Economic Journal: Macroeconomics 13 (25): 65-91. (In Persian with English Summary).
AmiriAghdaie, S.F., and Roshan, J. 2015. Investigaying effective factors on Iran’s saffron exportation. International Review of Management and Business Research 4 (2): 590-600.
Amirtaimoori, S., and Amirtaimoori, S. 2015. The effect of exchange rate uncertainty on Iranian saffron exports. Journal of Saffron Research 4 (2): 199-209. (In Persian with English Summary).
Atif, R.M., Mahmood, H., Haiyun, L., and Mao, H. 2019. Determinants and efficiency of Pakistan’s chemical products’ exports: An application of stochastic frontier gravity model. PLOS ONE 14 (5): 1-15.
Bao, H.D., Minh, P.V., Thai, P.V., and Hieu, T.N. 2018. A stochastic analysis of vietnambilateral trade efficiency. Journal of Economics and Development 20 (2): 50-64.
Battese, G.E., and Coelli, T.J. 1988. Production of firm level efficiencies: With a generalized frontier production function and panel data. Journal of Econometrics 38: 387-399.
Battese, G.E., and Coelli, T.J. 1995. A Model for technical inefficiency effects in a stochastic frontier production function for panel data. Empirical Economics 20: 325-332.
Caporale, G.M., Sova, A., and Sova, R. 2015. Trade flows and trade specialisation: The case of China. China Economic Review 34: 261-273.
Centre d'Etudes Prospective et d'Informations Internationals. 2020. CEPII Database. Available at http://www.cepii.fr/ (visited 23 July 2019).
Doan T.N., and Xing, Y. 2018. Trade efficiency, free trade agreements and rules of origin. Journal of Asian Economics 55 (3): 33-41.
Dourandish, A., Aminizadeh, M., Riahi, A., and MehrparvarHosseini, E. 2019. Assessing the Role of Trade Sanctions and Global Economic Crisis on Iran’s Saffron Exports. Journal of Saffron Agronomy and Technology 6 (4): 499-511. (In Persian with English Summary).
Fallahi, E., and Mazraeh, F. 2018. Economic analysis of short-term and long-term effects of exchange rate uncertainty on the export of Iranian saffron. Journal of Saffron Agronomy and Technology 6 (3): 367-381. (In Persian with English Summary).
Ferto, I., and Szerb, A.B. 2017. The role of food crisis and trade costs in the Hungarian maize exports. Problems of Agricultural Economics 353 (4): 110-124.
Foster-McGregor, N., Isaksson, A., and Kaulich, F. 2016. Importing, productivity and absorptive capacity in Sub-Saharan African manufacturing and services firms. Open Economies Review 27: 87-117.
Hendizadeh, H., Karbasi, A., Mohtashami, T., and Sahabi, H. 2019. Ranking of socio-economic variables affecting the bilateral trade of saffron in Iran and business partners. Journal of Saffron Research 7 (1): 55-67. (In Persian with English Summary).
IsaiahZayone, T., Henneberry, S.R., and Radmehr, R. 2020. Effects of agricultural, manufacturing, and mineral exports on Angola’s economic growth. Energies 13 (6): 1-17.
Kalirajan, K. 1999. Stochastic varying coefficients gravity model: an application in trade analysis. Journal of Applied Statistics 26 (2): 185-193.
Karbasi, A., and Rastegaripour, F. 2014. Evaluation of comparative advantage on production and export of saffron. Journal of Saffron Agronomy and Technology 2 (1): 59-74. (In Persian with English Summary).
Khodaverdizadeh, M., and Mohammadi, S. 2017. Comparative advantages and analysis of international market structure of medicinal plants: Case study of Anise, Badin, Fennel and Coriander. Journal of Agricultural Economics Research 9 (34): 153-174. (In Persian with English Summary).
Koochakzadeh, S., and Karbasi, A. 2015. Study of the effective factors on the commerce of Iranian saffron. Journal of Saffron Agronomy and Technology 3 (3): 217-227. (In Persian with English Summary).
Kumar, S., and Prabhakar, P. 2017. India’s trade potential and free trade agreements: A stochastic frontier gravity approach. Global Economy Journal 17 (1): 1-19.
Liaquat, H., Gul, N., Irfan, A., and Sami, A. 2016. Pakistan’s exports efficiency: an application of the stochastic frontier gravity model. Abasyn Journal of Social Sciences. Special Issue: 164-177.
Mahdinia, M. 2018. Investigation on non-oil export developing obstacles case study (Exporter of Mazandaranprovince). Research Journal of Economics 2 (3): 1-5.
Mirbagheri, S.SH., Rafiee, H., and Akbarpour, H. 2019. Market structure analysis and export pattern of Iranian saffron. Iranian Journal of Medicinal and Aromatic Plants 35 (5): 802-818. (In Persian with English Summary).
Mohammadi, H., Aminizadeh, M., and Aghasafari, H. 2020. Investigating the Iran’s export efficiency in pistachio target markets: Application of stochastic Frontier Gravity Model. Agricultural Economics and Development 34 (1): 1-18. (In Persian with English Summary).
Mohammadzadeh, H., and Karbasi, A. 2019. The shock effect of oil revenues on the export of Iran saffron. Journal of Saffron Agronomy and Technology 7 (1): 125-136. (In Persian with English Summary).
Nasir, S., and Kalirajan, K. 2016. Information and communication technology-enabled modern services Export performances of Asian economies. Asian Development Review 33 (1): 1-27.
Nguyen, D.K., Phama, V.N.T., and Heo, Y. 2019. Impact of institutional and cultural distance on ASEAN’s trade efficiency. Economics Discussion Papers, No 2019-57, Kiel Institute for the World Economy.
Noviyani, D.S., Na, W., and Irawan, T. 2019. Indonesian export efficiency: a stochastic frontier gravity model approach. International Journal of Scientific Research in Science, Engineering and Technology 6 (1): 488-497.
Paseban, F. 2007. Study of effective factors on the export of saffron. Economic Research Journal 6 (12): 1- 15. (In Persian with English Summary).
Ravishankar, G., and Stack, M.M. 2014. The gravity model and trade efficiency: a stochastic frontier analysis of eastern european countries’ potential trade. The World Economy 37 (5): 690-704.
Rezapoor, S., and Mortazavi, S.A. 2011. Effects of globalization on supply and demand export saffron. Iranian Journal of Agricultural Economics 4 (3): 153-169. (In Persian with English Summary).
Sadeghi, S.K., Khodaverdizadeh, S., and Khodaverdizadeh, M. 2011. Comparative advantage and world market structure of saffron. Journal of Agricultural Economic Research 11: 59-76. (In Persian with English Summary).
Shaban, M., Mahmoodi, A., and ShawkatFadai, M. 2014. A survey on technical efficiency, marketing and market structure of saffron crop, Iran. Journal of Saffron Agronomy and Technology 1(2): 85-101. (In Persian with English Summary).
Shahabadi, A., and Safaee, M. 2017. Effects of knowledge factors on supply of agricultural exports of Iran. Iranian Journal of Trade Studies 21 (84): 1-26. (In Persian with English Summary).
Sheng, Y., Wu, Y., Shi, X., and Zhang, D. 2014. Market integration and energy trade Efficiency: an application of malmquistindex to analyze multi-product trade’, in Han, P. and F. Kimura (eds.), Energy Market Integration in East Asia: Energy Trade, Cross Border Electricity, and Price Mechanism, ERIA Research Project Report FY2013, No.29.Jakarta: ERIA, pp. 135-161.
Tinbergen, J. 1962. Shaping the world economy: Suggestions for an international economic policy. New York, NY: Twentieth Century Fund.
Trade Promotion Organization of Iran. 2021. https://en.tpo.ir/Non–oil-Export
World Bank. 2020. World Bank Database. Available at https://databank.worldbank.org (visited 20 July 2019).