Why is GDP so much more volatile in poor countries than in rich ones? To answer this question, we propose a theory of … technological diversification. Production makes use of different input varieties, which are subject to imperfectly correlated shocks …. In our model, the expansion in the number of varieties provides diversification benefits against variety-specific shocks …

The implacable list of diversification indices allows a wide range of selection opportunities for the researchers. The … absence of consensus on the selection of suitable technology diversification index, however, may lead to a lack of objectivity … with ample grounds. In this study, we focus on the case of technology diversification using patent to derive empirical …

technological diversification and firm growth and the conditioning role of firm-specific core-technology competence in the … relationship. First, the relationship is inverted U-shaped regardless of the type of technological diversification, implying that … diversification. Furthermore, in case of unrelated technological diversification, the inverted U-shaped relationship almost disappears …