COVID-19 Impact on Job Losses in Portugal: Who Are the Hardest-Hit?
Ana Sofia Lopes, Pedro Carreira
International Journal Of Manpower, vol. 43, 2022, p. 1265-1282.

Productivity, Wages, and the Returns to Firm-Provided Training: Fair Shared Capitalism?
Paulino Teixeira, Ana Sofia Lopes
International Journal Of Manpower, vol. 34, 2013, p. 776-793.