Homeland security against possible terrorist attacks involves making decisions under true uncertainty. Not only are we ignorant of the form, place, and time of potential terrorist attacks, we are also largely ignorant of the likelihood of these attacks. In this paper, we conceptualize homeland...

Homeland security against possible terrorist attacks involves making decisions under true uncertainty. Not only are we ignorant of the form, place, and time of potential terrorist attacks, we are also largely ignorant of the likelihood of these attacks. In this paper, we conceptualize homeland...

Protecting against terrorist attacks requires making decisions in a world in which attack probabilities are largely unknown. The potential for very large losses encourages a conservative perspective, in particular toward decisions that are robust. But robustness, in the sense of assurance...

Sect. 1. Introduction -- Ch. 1. What is Environmental Economics? -- Ch. 2. The Economy and the Environment -- Sect. 2. Analytical Tools -- Ch. 3. Benefits and Costs, Supply and Demand -- Ch. 4. Economic Efficiency and Markets -- Ch. 5. The Economics of Environmental Quality -- Sect. 3....