Cardoso, A.R., and Miguel  Portela. ?Micro Foundations For Wage Flexibility: Wage Insurance At The Firm Level?. Scandinavian Journal Of Economics 111. Scandinavian Journal Of Economics (2009): 29-50.

Portela, Miguel, C.  Sá, F.  Alexandre, and A.R.  Cardoso. ?Perceptions Of The Bologna Process: What Do Students' Choices Reveal??. Higher Education 58. Higher Education (2009): 465-474.

Cardoso, A.R., Miguel  Portela, C.  Sá, and F.  Alexandre. ?Demand For Higher Education Programs: The Impact Of The Bologna Process?. Cesifo Economic Studies 54. Cesifo Economic Studies (2008): 229-247.

Vieira, J.A.C., A.R.  Cardoso, and Miguel  Portela. ?Gender Segregation And The Wage Gap In Portugal: An Analysis At The Establishment Level?. Journal Of Economic Inequality 3. Journal Of Economic Inequality (2005): 145-168.