Paul Chaisty is professor of Russian and East European politics in the Department of Politics and International Relations, the Oxford School of Global and Area Studies and St Antony's College, University of Oxford. He is the author of Legislative Politics and Economic Power in Russia and the coauthor of Coalitional Presidentialism in Comparative Perspective: Minority Presidents in Multiparty Systems. Stephen Whitefield is professor of comparative Russian and East European politics in the Department of Politics and International Relations and fellow in politics at Pembroke College, University of Oxford. He is the author of Industrial Power and the Soviet State and coauthor of The Strain of Representation: How Political Parties Represent Diverse Voters in Western and Eastern Europe.