International symposium in economic theory and econometrics. Social choice, welfare and ethics : proceedings of the eighth international symposium in economic theory and econometrics. Edited by William A. Barnett ... [et al.]. New York : Cambridge University Press, 2006. xi, 419 s. International symposia in economic theory and econometrics. ISBN 978-0-521-02621-5. [Copy count : 2, currently available 1, at library only 1]