"This paper examines the link between sectoral concentration and overall performance in the search for on … negative relationship between the concentration of innovation portfolios and performance: countries that are the most … performance. Furthermore, the search for export booms exhibits the least amount of sectoral concentration and path …

introduction of new export products, (2) export diversification measured by an index of export-revenue concentration, and (3) on …"Recent research highlights the relationship between economic development and productive diversification, which may be … hindered by market failures. After identifying stages of diversification in disaggregated export data, the authors develop a …