Why are so many disabled individuals not working in Spain? A job search approach (with Judit Vall) (2012) Solving the two-period consumer choice model with Excel-Solver (with Angels Xabadia) (2011) The Ins and Outs of Unemployment in a Two-Tier Labor Market (with Javier Vazquez) (2011) Labor productivity and vocational training: Evidence from Europe (2011) Wage Effects of Non-Wage Labour Costs (with María Cervini and Xavier Ramos) (2011)