The puzzle of declining nuclear weapons project efficiency -- A theory of nuclear weapons project efficiency and inefficiency -- Spinning in place: Iraq's fruitless quest for nuclear weapons -- How did China's nuclear weapons project succeed? -- Proliferation implications of international civil nuclear cooperation: theory and a case study of Tito's Yugoslavia -- Proliferation implications of footloose nuclear scientists: theory and a case study of Peron's Argentina -- Empirical extensions: Libya, Pakistan, North Korea, Iran -- Lessons for policymakers and directions for future research

1. Nuclear weapons -- Developing countries
2. Nuclear nonproliferation -- Developing countries