The use of economic sanctions has surged in recent decades. But what does the evidence say about their effectiveness in influencing the actions of other countries? And under what conditions are sanctions more likely to achieve their goals? Daniel Drezner joins EconoFact Chats to discuss these questions. Dan is a Professor of International Politics at the Fletcher School at Tufts University, and a non-resident senior fellow at the Chicago Council on Global Affairs. He is also a regular contributor to Foreign Policy, and the Washington Post.