Hafner, Kurt - In: Journal of applied economics 24 (2021) 1, pp. 277-296
were below Markowitz's efficiency frontier, and that rearranging the shares of economic activities contributes to … CACAM and CAN countries. Analyzing more recent industry portfolios, Latin American countries closed the efficiency frontier …-instability frontiers are confirmed by stochastic frontier analysis, which identifies variations in employment ratios and industrial …