A working economics desk
The collection moves beyond explainers. It includes an AP free-response grader, tariff modeling, and a public Shadow Fed. Each tool turns a policy question into something a reader can inspect, change, and challenge.
Econ.mom
Twelve free, citation-rigorous economics tools I built to make the models I met in AP Econ easier to question, test, and actually understand.
Open Econ.mom12public economics tools
May 2026featured by Marginal Revolution
Freeno paywall between a question and its evidence
Built for scrutiny
Formulas and sources sit beside the result. The project uses cited public datasets and makes assumptions visible, so a polished output never substitutes for an auditable method.
Press and reach
Marginal Revolution featured Econ.mom in May 2026 and specifically called attention to its formulas and cited datasets. That recognition matters because rigor, not traffic theater, is the product.
Reviewed by working economists
Featured in the press
Twelve free, interactive AP-Econ tools with every dataset cited.
Tyler Cowen, on Marginal Revolution, one of the most-read economics blogs in the world.
Read the entry →Personally reviewed by N. Gregory Mankiw, who engaged directly with the project and pushed it to ship deeper, clearer explanations behind every tool.
Greg Mankiw’s Blog →Reviewed and praised by Ruben Rivera, PhD, who leads academic programs at the Council for Economic Education and directs the National Economics Challenge.