1. Political economic cycles;Åkerman;Kyklos,1947
2. The effect of aggregate economic variables on congressional elections;Arcelus;American Political Science Review,1975
3. Analyse économique de la vie politique;Attali,1972
4. The matrix of policy in the Phillipines;Averch,1971
5. Investment cycles in European socialist economies: A review article;Bajt;Journal of Economic Literature,1971