In this 2006 book, Jonas Tallberg offers a novel perspective on some of the most fundamental questions about international cooperation and European Union politics. Offering the first systematic theoretical and empirical exploration of the influence wielded by chairmen of multilateral negotiations, Tallberg develops a rationalist theory of formal leadership and demonstrates its explanatory power through carefully selected case studies of EU negotiations. He shows that the rotating Presidency of the EU constitutes a power platform that grants governments unique opportunities to shape the...