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Economic-historical origins of partisan effects of electoral systems in contemporary democracies

Economic history

Senior Researcher : Pedro Riera Sagrera

Research Centre or Institution : Universidad Carlos III de Madrid.


This project seeks to investigate the partisan effects of electoral systems from a comparative perspective. Unfortunately, the current worldwide health crisis has hampered the achievement of this main objective. First of all, I have not been able to hire a research assistant with the money of the project to help me speed the data collection process that was the third main goal of the project as stated in the original proposal.

Second, I have not been able to normally participate in national and international conferences because travelling was almost impossible and almost all of them became online. In spite of all these problems, the project keeps going (obviously, slower than I wished) and I managed to publish one research article in the Journal of Elections, Public Opinion and Parties. Moreover, I have a second one under review in the European Journal of Political Research. On top of this, I was invited to participate online in the annual conferences of the European Political Science Association and the American Political Science Association.

As listed in the original proposal, the project had four main goals: two were theoretical (establishing the historical origins of the partisan effects of the electoral systems and their mechanisms) and two were empirical (data collection and econometric analyses). In the next months, I will focus on finishing the data collection and writing three working papers: The first one will establish the size of partisan biases of electoral systems across countries, the second will examine the individual-level determinants of these effects by combining survey and experimental data, and the third one will focus on the historical determinants of this phenomenon by using cross-sectional time series and instrumental variables.


Scientific Production
Magazine Articles 1
Communications at national conferences -
Communications at international conferences 2


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