Coverage of Infertility Treatment and Fertility Outcomes
Matilde Machado, Anna Sanz-de-Galdeano
Investigaciones Economicas, vol. 6, 2015, p. 407-439.

Moral Hazard and the Demand for Health Services: A Matching Estimator Approach
Pedro Pita Barros, Matilde Machado, Anna Sanz-de-Galdeano
Journal Of Health Economics, vol. 27, 2008, p. 1006-1025.