Technological Knowledge and Wages: From Skill Premium to Wage Polarization
Óscar Afonso, Tiago Neves Sequeira, Derick R. C. Almeida
Journal Of Economics (Zeitschrift Fur Nationalokonomie), vol. 140, 2023, p. 93-119.

Human Capital Disparities and Earnings Inequality in the Portuguese Private Labour Market
Derick R. C. Almeida, Joao A. S. Andrade, Adelaide Duarte, Marta C. Simões
Social Indicators Research, vol. 159, 2022, p. 145-167.