G. Rosas, Y. Shomer, S. Haptonstahl, “No News is News: Non-Ignorable Non-Response in Roll-Call Data Analysis”, American Journal of Political Science, 59(2), 2015. Roll-call votes are widely employed to infer the ideological proclivities of legislators. However, many roll-call matrices are characterized by high levels of non-response. Under many circumstances, non-response cannot be assumed to be ignorable. […]
G. Rosas and Y. Shomer, “Non-Ignorable Abstentions in Mexico’s Instituto Federal Electoral“, in E. Aragonés, C. Beviá, H. Llavador, and N. Schofield (eds.), The Political Economy of Democracy, Fundación BBVA, 2009.
F. Estevez, E. Magar and G. Rosas, “Partisanship in Non-Partisan Electoral Agencies and Democratic Compliance: Evidence from Mexico’s Federal Electoral Institute”, Electoral Studies, 27 (2), 2008. Scholars argue that electoral management bodies staffed by autonomous, non-partisan experts are best for producing credible and fair elections. We inspect the voting record of Mexico’s Instituto Federal Electoral (IFE), an ostensibly […]
G. Rosas and Y. Shomer, “Models of Nonresponse in Legislative Politics”, Legislative Studies Quarterly, 33 (4), 2008. Tools dedicated to inferring the ideological leanings of legislators from observed votes — techniques such as NOMINATE (Poole and Rosenthal 1997) or the item-response-theory model of Clinton, Jackman, and Rivers (2004) — rest on the assumption that the political […]