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• Impacts of export quality on economic progress are examined. • The role of economic complexity for economic growth is investigated. • 28 OECD country's data is utilized from 1990 to 2019. • Export quality and economic complexity induce sustainable growth. • Institutional quality is a significant determinant for economic growth. It is important to unearth the role of structural change factors for sustainable growth in developed economies. Economic complexity, export product quality, and institutional indicators represent the overall structural change and transformation in an economy. This paper probed the influence of export product quality and economics of complexity on economic growth for 28 OECD (Organization for Economic Co-operation and Development) countries using the data from 1990 to 2019. In doing so, the study employs three-panel data econometric models to investigate the role of economic complexity, export quality, and institutional quality on economic development. The paper performs the empirical tests, including the cross-sectional related dependency methods and cointegration techniques. As per the results emerging from fully modified OLS (FMOLS) and dynamic OLS (DOLS) estimation, export quality and financial development positively and significantly strongly impact growth in the long run. The empirical conclusions report detailed discussion on sustainable growth and discuss novel implications concerning product quality and institutional performance. The conclusions stress the practical implications for sustainable economic growth of OECD economies. [ABSTRACT FROM AUTHOR]

• The paper investigates the effects of agricultural exports on agricultural growth and overall growth in ECOWAS countries. • The instrumental variables approach is applied to control the cross-sectional dependence and endogeneity issues. • Findings indicate that the agricultural export-led agricultural growth hypothesis is verified. • We show that agricultural export increases the overall economic growth while the combined effect of the agricultural export and agricultural growth does not affect overall growth. • To increase foreign exchange earnings and avoid vulnerability to external shocks, ECOWAS' policymakers should pursue the implementation of outward-looking strategies, and agricultural export promotion and adopt market diversification policies. Given the urgent need to increase farming income and foreign exchange earnings, a substantial expansion of agricultural production for export is often a rational policy in developing countries, including the Economic Community of West African States (ECOWAS). The study analyzes the effects of agricultural exports on agricultural growth and overall economic growth in the ECOWAS region for the period 1996–2018. It also explores the combined effect of agricultural exports and agricultural growth on economic growth. We use the instrumental variables approach to control the endogeneity issue. Findings indicate that agricultural exports significantly enhance agricultural growth and overall economic growth. Moreover, the effect differs considerably from the agricultural growth equation to the economic growth equation. We also find that there is no complementarity nor substitutability effect of agricultural exports and agricultural growth on economic growth. These findings have important policy implications in agricultural development policy design and implementation in ECOWAS countries. [ABSTRACT FROM AUTHOR]

• Export structure is less diversified in low-income countries (LICs) and small states. • We explore the linkages between export structure and economic growth/volatility in LICs and small states. • Export diversification can produce economic gains through two distinct channels, diversification in export products and in export partners. • The analysis finds that export diversification can promote economic growth and reduce economic volatility in LICs and small states. • It further documents that the economic benefits of export diversification are larger for relatively small and poor countries within a group of LICs. Export structure is less diversified in low-income countries (LICs) and small states that generally face constraints in resources and economic size. This paper presents an empirical analysis on the linkages between export structure and economic growth/volatility in LICs and small states, by using a variant of export concentration indices. The analysis documents that export diversification in products or industries may promote economic growth and reduce economic volatility in these countries. The analysis further demonstrates that the economic benefits of export diversification differ by the country size and income level—larger gains for relatively small and poor countries within a group of LICs and small states. In addition, diversification in export partners or markets tends to be beneficial for economic growth and stability. [ABSTRACT FROM AUTHOR]