Portela, Miguel, R.  Alessie, and C.N.  Teulings. ?Measurement Error In Education And Growth Regressions?. Scandinavian Journal Of Economics 112. Scandinavian Journal Of Economics  (2010): 618-639.

Portela, Miguel, Carla  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.

Portela, Miguel, N.  Areal, Carla  Sá, F.  Alexandre, J.  Cerejeira, A.  Carvalho, and A.  Rodrigues. ?Evaluating Student Allocation In The Portuguese Public Higher Education System?. Higher Education 56. Higher Education  (2008): 185-203.

Portela, Miguel. ?Measuring Skill: A Multi-Dimensional Index?. Economics Letters 72. Economics Letters  (2001): 27-32.