Two distinct literatures have emerged on the World Trade Organization's Doha Development Agenda (DDA) and its likely benefits for developing countries. One is built on the use of computable general and partial equilibrium simulations, while another explores the political economy of the negotiation process to explore the opportunities a concluded round will bring for developing countries. Both literatures generate important insights into the DDA, and both highlight that the deal on offer to developing countries is very weak. However, there has been little engagement between these two bodies of thought. This paper seeks to begin to redress this, fusing a review of the simulations of likely DDA gains with an examination of the passage of the D...