How powerful are network effects? A skill-biased technological change approach 10.0
Óscar Afonso, Manuela Magalhães
Macroeconomic Dynamics, vol. 28, 2020, p. 882-919.

Industry Concentration and Wage Inequality: A Directed Technical Change Approach 0.83
Manuela Magalhães, Tiago Neves Sequeira, Óscar Afonso
Open Economies Review, vol. 30, 2019, p. 457-481.