MÁRQUEZ PEÑA, JAVIER. “Torsten Persson Y Guido Tabellini, The Economic Effects of Constitutions, Cambridge, MIT Press, 2003, 306 P., Y Stephan Haggard Y Mathew D. McCubbins (eds.), Presidents, Parliaments, and Policy, Cambridge, Cambridge University Press, 2001, 360 P”. Política Y Gobierno, vol. 13, no. 1, Apr. 2006, pp. 213-08, http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/297.