1. La econometrı́a de los datos de panel;Arellano;Investigaciones Económicas,1990
2. Productividad e infraestructuras en la economı́a española;Argimon;Moneda y Crẽdito,1994
3. Is public expenditure productive?;Aschauer;Journal of Monetary Economics,1989
4. Public investment and productivity growth in the Group of Seven;Aschauer;Journal of Economic Perspectives,1989
5. Does public capital affect private sector performance? An analysis of the Spanish case, 1964–88;Bajo;Economic Modelling,1993