Foreword; A.Shorrocks Development Aid: Expectations, Effectiveness and Allocation; G.Mavrotas & M.McGillivray Decentralizing Aid with Interested Parties; G.Epstein & I.Gang Blind Spots on the Map of Aid Allocations: Concentration and Complementarity of International NGO Aid; D.J.Koch On the Volatility and Unpredictability of Aid; D.Fielding & G.Mavrotas Aid Project Proliferation and Absorptive Capacity; D.Roodman Aid Allocation and Aid Effectiveness: An Empirical Analysis; A.Isopi & G.Mavrotas Fiscal Effects of Aid in Developing Countries: A Comparative Dynamic Analysis; M.Opoku-Afari, T.Lloyd, M.McGillivray & O.Morrissey Development Effectiveness at the Country Level; R.Picciotto Evaluating Aid Impact; H.White