BITSS works with policy analysts and organizations to implement best tools and practices for OPA. Below is a list of ongoing and completed projects.

We are also open to partnering with other institutions and researchers to expand this portfolio. Contact Fernando Hoces de la Guardia ( to learn how you can bring OPA to your institution or apply it to a specific policy report.

Open Policy Analysis of a Progressive Wealth Tax proposal

We collaborated with UC Berkeley economists Emmanuel Saez and Gabriel Zucman to produce a fully reproducible version of their policy analysis for Sen. Elizabeth Warren’s progressive wealth tax plan, part of her 2020 presidential campaign. Learn more here.

Open Policy Analysis of Deworming Interventions

We are currently developing a suite of materials to apply OPA to impact evaluations on the effects of deworming on education and health outcomes. Learn more about the policy intervention here. This is work in progress — more updates coming soon.

Open Policy Analaysis of the Effects of Minimum Wage Increase on Employment and Family Income

Using a Dynamic Document, we demonstrate an application of the OPA principles using the 2014 U.S. Congressional Budget Office (CBO) policy report on “The Effects of a Minimum-Wage Increase on Employment and Family Income”. This report was cited by key stakeholders across the political spectrum, with disagreements around the inputs used, the modeling choince and the way output was interpreted. Learn more here.