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| Defense economics | |
|---|---|
| Name | Defense economics |
| Focus | Allocation of resources for national security, military production, and strategic planning |
| Related | John Maynard Keynes, Paul Samuelson, Milton Friedman |
| Notable practitioners | Kenneth Waltz, Stephen Walt, Samuel P. Huntington, Rose Gottemoeller |
| Institutions | RAND Corporation, Stockholm International Peace Research Institute, NATO, World Bank |
| Countries | United States, United Kingdom, Soviet Union, China, India |
Defense economics is the study of how states and organizations allocate resources to prepare for, prevent, and prosecute armed conflict, manage military forces, and structure the production and distribution of defense-related goods and services. It integrates theories and methods from John Maynard Keynes, Paul Samuelson, Milton Friedman-influenced macroeconomics, public choice analyses associated with James M. Buchanan, and strategic models influenced by Thomas Schelling and Kenneth Waltz. The field addresses procurement, budgeting, industrial policy, and the economic consequences of wars and deployments, drawing on empirical work from RAND Corporation, Stockholm International Peace Research Institute, and national institutions such as Department of Defense (United States), Ministry of Defence (United Kingdom), and Ministry of Defence (India).
Defense economics covers resource allocation across peacetime and wartime contexts, linking studies of military expenditure in United States fiscal policy debates, arms control outcomes like the Strategic Arms Reduction Treaty, and industrial base concerns in United Kingdom and France. It examines fiscal pressures seen in Greece and Spain during crises, mobilization experiences in Germany and Japan during the 20th century, and capacity-building in Brazil and South Africa. Key institutional actors include NATO, European Union, United Nations, World Bank, and think tanks such as the International Institute for Strategic Studies and Center for Strategic and International Studies.
Foundations draw from neoclassical models popularized by Paul Samuelson and welfare economics debates led by Amartya Sen, fiscal theory influenced by John Maynard Keynes and Milton Friedman, and public choice frameworks developed by James M. Buchanan and Gordon Tullock. Strategic interaction uses game theory from John Nash and bargaining insights from Thomas Schelling; deterrence theory connects to work by Kenneth Waltz and Thomas Schelling. Institutional economics contributions reference Douglass North and historical analyses invoking Karl Marx and Max Weber in state formation literature.
Budgeting processes are shaped by parliamentary and executive practices in United States, United Kingdom, France, Germany, and Japan. Debates mirror macroeconomic policy discussions tied to Alan Greenspan-era fiscal orthodoxy and post-crisis interventions resembling Ben Bernanke's approaches. Analyses include opportunity costs emphasized by Friedrich Hayek in market allocation debates and multiplier effects traced to John Maynard Keynes. Defense spending data are often compared across timelines including the Cold War arms build-ups, post-Gulf War adjustments, and contemporary shifts after the Crimean Crisis.
The defense industrial base involves prime contractors like Lockheed Martin, BAE Systems, Thales (company), Rosoboronexport, and China North Industries Group Corporation. Procurement reforms reflect lessons from programs such as the F-35 Lightning II and legacy projects like the B-2 Spirit, with cost-overrun literature linked to principal-agent problems discussed by Michael Jensen and William Meckling. Export controls intersect with regimes such as the Wassenaar Arrangement and nonproliferation agreements like the Non-Proliferation Treaty. Industrial policy examples include Japan's postwar reconstruction and South Korea's chaebol-driven strategies.
War economies produce macroeconomic shocks studied in contexts like World War II, the Vietnam War, the Korean War, and the Iraq War. Outcomes include fiscal deficits, inflation episodes comparable to Weimar Republic hyperinflation, labor-market shifts exemplified by mobilization in Soviet Union, and technological spillovers similar to innovations from Bell Labs and DARPA-funded projects. Reconstruction and aid efforts link to programs by Marshall Plan administrators and multilateral lending from the International Monetary Fund and World Bank.
Global arms flows are tracked through sources including SIPRI and bilateral relations such as United States–Pakistan relations, France–Gabon relations, and Russia–India relations. Export patterns reflect strategic partnerships like NATO expansion and diplomatic episodes including the Yalta Conference legacies. Arms trade dynamics intersect with sanctions regimes overseen by United Nations Security Council resolutions and regional frameworks like the Association of Southeast Asian Nations.
Empirical work uses national accounts from Organisation for Economic Co-operation and Development and databases maintained by Stockholm International Peace Research Institute, SIPRI, World Bank, and government sources such as Congressional Budget Office reports and Ministry of Defence (United Kingdom) statistics. Methodologies draw on econometrics popularized by Clive Granger and James Heckman, input-output analysis developed by Wassily Leontief, and case studies influenced by historians of World War II and scholars from Harvard University and Princeton University. Interdisciplinary approaches integrate political economy from Dani Rodrik and security studies from Stephen Walt.