Ayoki, Milton (2019): Innovation and exports in Sub-Saharan Africa: Evidence from Uganda‘s micro data.
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Abstract
This paper examines the causal effect of innovation on firm-level export performance in Uganda using World Bank Enterprise Survey and Innovation Survey data (n=762). To address endogeneity between innovation and export decisions, we employ instrumental variable strategies exploiting exogenous variation in innovation driven by (i) access to information sources, (ii) national innovation system support, and (iii) perceived obstacles to innovation. Two-stage least squares (2SLS) estimates reveal that innovation increases export share by 3.1 to 11.3 percentage points, with process innovation exhibiting stronger effects than product innovation. The impact is particularly pronounced in services (9.8 pp) compared to manufacturing (5.4 pp). Firms hindered from innovating due to financial constraints or informal sector competition exhibit export shares 8.5 percentage points lower. Policy simulations suggest that improving access to innovation information could raise innovation propensity by 35.7 percentage points, highlighting the critical role of national innovation systems in boosting intra-regional trade within COMESA.
| Item Type: | MPRA Paper |
|---|---|
| Original Title: | Innovation and exports in Sub-Saharan Africa: Evidence from Uganda‘s micro data |
| English Title: | Innovation and exports in Sub-Saharan Africa: Evidence from Uganda‘s micro data |
| Language: | English |
| Keywords: | Exports, process innovation, product innovation, exports, productivity, Uganda, Sub-Saharan Africa, Endogeneity, IV Estimation, COMESA, R&D, self-selection, demand shocks, patents. |
| Subjects: | D - Microeconomics > D2 - Production and Organizations > D21 - Firm Behavior: Theory F - International Economics > F1 - Trade > F13 - Trade Policy ; International Trade Organizations F - International Economics > F2 - International Factor Movements and International Business > F23 - Multinational Firms ; International Business L - Industrial Organization > L2 - Firm Objectives, Organization, and Behavior > L25 - Firm Performance: Size, Diversification, and Scope O - Economic Development, Innovation, Technological Change, and Growth > O3 - Innovation ; Research and Development ; Technological Change ; Intellectual Property Rights > O31 - Innovation and Invention: Processes and Incentives O - Economic Development, Innovation, Technological Change, and Growth > O3 - Innovation ; Research and Development ; Technological Change ; Intellectual Property Rights > O32 - Management of Technological Innovation and R&D O - Economic Development, Innovation, Technological Change, and Growth > O5 - Economywide Country Studies > O55 - Africa |
| Item ID: | 127257 |
| Depositing User: | Milton AYOKI |
| Date Deposited: | 07 Jan 2026 09:47 |
| Last Modified: | 07 Jan 2026 09:47 |
| References: | Aghion, Philippe, Peter Howitt. 1998. Endogenous Growth Theory,Cambridge : MIT Press. Atkeson, Andrew and Burstein, Ariel Tomás. 2010. "Innovation, Firm Dynamics, and International Trade". Journal of Political Economy, University of Chicago Press, vol. 118(3), pages 433- 484, 06. Aw, B., Roberts, M.J. and Winston, T. 2007. “Export market participation, investments in R&D and worker training, and the evolution of firm productivity”, The World Economy, Vol. 30, No. 1, pp. 83-104. Aw, Bee Yan; Roberts, Mark J. and Yi Xu, Daniel. 2011. "R&D Investment, Exporting, and Productivity Dynamics". American Economic Review, vol. 101(4), pages 1312-44, June. Barasa, L., Kinyanjui, B., Knoben, J., Kimuyu, P., & Vermeulen, P. A. M. 2016. “Export and Innovation in Sub-Saharan Africa” (DFID Working Paper). Nijmegen: Radboud University Nijmegen. Becker, S.O. and Egger, P.H. 2013. “Endogenous product versus process innovation and a firm’s propensity to export”, Empirical Economics, Vol. 44 No. 1, pp. 329-354. Bernard, A.B. and Wagner, J. 1997. “Exports and success in German manufacturing”, Review of World Economics, Vol. 133 No. 1, pp. 134-157. Caldera, A. 2010. “Innovation and exporting: evidence from Spanish manufacturing firms”, Review of World Economics, Vol. 146 No. 4, pp. 657-689. Cassiman, Bruno and Golovko, Elena & Martínez-Ros, Ester. 2010. "Innovation, exports and productivity," International Journal of Industrial Organization, Elsevier, vol. 28(4), pages 372-376, July. Cieślik, A Andrzej., Qu, Yi., and Qu, Ting. 2018. “Innovations and export performance: firm level evidence from Chinese firms, Entrepreneurial Business and Economics Review, 6(4), 27-47. Constantini, J.A., and Melitz, M.J. 2008. “The dynamics of firm-level adjustment to trade liberalization”, In: Helpman, E., Marin, D. and Verdier, T. (Eds.), The organization of firms in a global economy (pp. 107 - 141), Cambridge (MA): Harvard University Press. Dollar, David. 1986. “Technological Innovation, Capital Mobility, and the Product Cycle in North-South Trade”, American Economic Review 76 (1): 177-190. Ganotakis, P. and Love, J.H. 2011. “R&D, product innovation, and exporting: evidence from UK new technology based firms”, Oxford Economic Papers, Vol. 63 No. 2, pp. 279-306. Grossman, Gene M., Elhanan Helpman. 1989. “Product Development and International Trade”, Journal of Political Economy 97 (6): 1261-1283. Grossman, Gene M., Elhanan Helpman. 1990. “Comparative Advantage and Long-Run Growth”, American Economic Review 80 (4): 796-815. Grossman, Gene M., Elhanan Helpman. 1991a. “Endogenous Product Cycles”, Economic Journal 101 (408): 1214-1229. Grossman, Gene M., Elhanan Helpman.1991b. Innovation and Growth in the Global Economy. Cambridge, MA: MIT Press. Grossman, G.M., Helpman, E., and Szeidl, A. 2006. “Optimal integration strategies for the multinational firm, Journal of International Economics, 70, 216-238. Harris, R. and Li, Q.C. (2009), “Exporting, R&D, and absorptive capacity in UK establishments”, Oxford Economic Papers, Vol. 61 No. 1, pp. 74-103. Hirsch, Seev and Bijaoui, Ilan. 1985. “R&D Intensity and export performance: a micro view”, Weltwirtschaftliches Archiv, 121, 238-251. Hopenhayn, H.A. 1992. “Entry, exit, and firm dynamics in long run equilibrium”, Econometrica, 60, 1127-1150. Jovanovic, B. 1982. “Selection and the evolution of industry”, Econometrica, 50, 649-670. Krugman, Paul. 1979. “A Model of Innovation, Technology Transfer, and the World Distribution of Income”, Journal of Political Economy 87 (2): 253-266. Lachenmaier, Stefan and Ludger Woessmann. 2004. “Does innovation cause exports? Evidence from exogenous innovation impulses and obstacles using German micro data”, CESIFO Working Paper, NO. 1178. Lachenmaier, S. and Wößmann, L. 2006. “Does innovation cause exports? Evidence from exogenous innovation impulses and obstacles using German micro data”, Oxford Economic Papers, Vol. 58, No. 2, pp. 317-350. Love, J. H., and Roper, S. 2015. “SME innovation, exporting and growth: A review of existing evidence”, International Small Business Journal, 33(1), 28-48. Melitz, M.J. 2003. “The impact of trade on intra-industry reallocations and aggregate industry productivity”, Econometrica, Vol. 71 No. 6, pp. 1695-1725. Qu, Y., & Wei, Y. 2017. “The Role of Domestic Institutions and FDI on Innovation-Evidence from Chinese Firms”, Asian Economic Papers, 16(2), 55-76. Viewed at: https://doi.org/10.1162/ASEP_a_00519. Qu, Y., Wei, Y., Jiang, T., & Zheng, N. 2017. Linking R&D strategy, national innovation system and FDI to firm performance. Journal of Chinese Economic and Business Studies, 15(1), 41-58. Viewed at: https://doi.org/10.1080/14765284.2016.1242310 Segerstrom, Paul S., T.C.A. Anant, Elias Dinopoulos. 1990. “A Schumpeterian Model of the Product Life Cycle”, American Economic Review 80 (5): 1077-1091. Tavassoli, Sam. 2017. “The role of product innovation on export behavior of firms: Is it innovation input or innovation output that matters?“ European Journal of Innovation Management, 1460-1060 (October 2017), Emerald Publishing Limited. Young, Alwyn. 1991. “Learning by Doing and the Dynamic Effects of International Trade”, Quarterly Journal of Economics 106 (2): 369-405. Vernon, Raymond. 1966. International Investment and International Trade in the Product Cycle. Quarterly Journal of Economics 80 (2): 190-207. Van Beveren, Ilke and Hylke Vandenbussche. 2010. “Product and process innovation and firms’ decision to export.“ Journal of Economic Policy Reform, Vol. 13, No. 1, 3–24. |
| URI: | https://mpra.ub.uni-muenchen.de/id/eprint/127257 |

