Artopoulos, A., Friel, D. and Hallak, J. (2013). Export emergence of differentiated good from developing countries: Export pioneers and business practices in Argentina, Journal of Development, Economics, 105, 19-35.
Coe, D., Helpman, E. and Hoffmaister, A. (2008). International R&D spillovers and institution, European Economic Review,53(7), 723-741.
Dipietro, W. and Anoruo, E. (2005). Creativity, innovation and export performance, Journal of Policy Modeling, 28, 133-139.
Dixit, A. and Stiglitz, J. E. (1997). Monopolistic competition and optimum product diversity, American Economic Review, 67, 297-308
Fagerberg, J. (1999). The need for innovation- based growth in Europe, Challenge, 42(5); 63-78.
Faustino, H., Lima, J. and Matos. P. (2012). Exports productivity and innovation, Technical University of Lisbon, Faustino@iseg.utl.pt
Fernandes, A. and Tang, H. (2014). Learning to export from neighbors, Journal of International Economics, 94(185), 68-84.
Griliches, Zvi. (1988). Productivity puzzles and R&D: Another nonexplanation, Journal of Economic Perspectives, 2, 9-21.
Hughes, K. S. (1985). Export and innovation, European Economic Review, 30, 383-399.
I.R.I. Central Bank, Iran׳s national accounts & balance sheet & economic reports, Various Issue, http: //www.cbi.ir/page/2053.aspx (In Persian).
I.R.I. Custom, “Foreign trade statistical year- book of Iran,” Various Issue (in Persian).
Karimi, F. and Rashedi, A. (2001). Survey of interactive effects of production and exports in the economy of Iran by using simultaneous equations, Iraniann Journal of Trade Studies (IJTS), 19, 49-65. (In Persian).
Karlsson, C. and Johanson, S. (2006). R&D accessibility and regional export diversity, The Annals of Regional Science, 41(3), 501-523.
Ledesma, M. L. (2002). Exports products differentiation and knowledge spillovers, Department of Economics University of Kent, Email: email@example.com
Montobbio, F. and Rampa, F. (2005). The impact of technology and structural change on export performance in nine developing countries, World Development, 33(4); 527-545.
Sandu, S. and Ciocanel, B. (2014). Impact of R&D and innovation on high-tech export, Procedia Economics and finance, 15, 80-90.
Shakeri, A. (2005). Determinants of non-oil exports of Iran, Iranian Economic Research Journal of Economic Research, 6(21); 44-65. (In Persian).
Shahabadi, A. (2004). An assessment of the effects of total factor productivity on competitiveness (Case study: Iran), Nameh-Ye-Mofid, 105(45), Economics); 139-177. (In Persian).
Shahabadi, A. and Ganji, M. (2013), Studying challenges and opportunities of internal investment, Journal of Development Strategy, 37,140-166. (In Persian)
Wang, Y., Cao, W., Zhou, Z. and Ning, L. (2013). Does external technology acquisition determine export performance? Evidence from Chinese manufacturing firms, International Business Review, 22(6), 1079-1091.
Yan Aw, B., Roberts, M. and Yi Xu, D. (2009). R&D investment, exporting, and productivity dynamics, NBER Working Paper, No.14670.
Yan Aw, B., Roberts, M. and Yi Xu, D. (2009). R&D investment, exporting, and productivity dynamics, American Economic Review, 101 (4),1312-1344.
Yang, C-H. And Chen, Y-H. (2012). R&D, productivity and exports: Plant- level evidence from Indonesia, Economic Modeling, 29(2), 208-216.