The following sections provide the coding rules, replication data, and computer codes used to analyze the determinants of the selection of electoral rules and presidential powers in the book Making Constitutions, as well as additional information on electoral rules, presidential powers, and constitutional change in Latin America.  All the materials obtained from these sections should be cited as Negretto, Gabriel L. 2013. Latin American Constitutional Change Database. Available at http://www.la-constitutionalchange.cide.edu