The American Institute for Economic Research (AIER) is a nonprofit organization dedicated to educating people about personal freedom, free enterprise, property rights, limited government, and sound money. Its work explores economic ideas and public policy through research, analysis, and accessible educational content. AIER covers topics including monetary economics, economic freedom, business conditions, public choice, and the effects of collectivism, while its Sound Money Project examines monetary policy and related issues.

The organization publishes research papers, explainers, articles, newsletters, and magazines, including The Daily Economy and Harwood Economic Review. It also produces podcasts such as The Economist Next Door and Qualified Opinions, and maintains a library and archives. AIER offers tools including a cost-of-living calculator and monetary rules dashboard, alongside books through its bookstore and Stone House Press. Its programs include seminars, salons, visiting research fellowships, graduate fellowships, internships, and student events, providing opportunities for students and scholars to engage with economic research and policy. AIER also hosts events and supports its work through donations and planned giving.