The Policy Impacts Library
MVPF Explained
- What is the MVPF?
  The MVPF methodology allows decision makers to compare the impacts of different types of policies and identify policies that have the highest returns on investment.
  START HERE
- Using the MVPF
  See stylised and real world examples that demonstrates the MVPF methodology in action.
  LEARN TO USE
- MVPF Lessons
  Explore the MVPF’s five key findings by analyzing over 100 US policy changes.
  SEE THE LESSONS
- Questions About the MVPF
  Explore answers to the most commonly asked questions about the MVPF and its application to policy analysis.
  VIEW THE FAQS

The Policy Impacts Library

This library provides a standardized database of MVPF estimates derived from rigorous empirical research. The details page for each policy provides an in-depth discussion on the way in which the MVPF is calculated.

Policy	MVPF Value MVPF = Benefits / Net Cost
Reduced Train Fares in Germany Causal Estimates: Liebensteiner, Losert, Necker, Neumeier, Paetzold, Wichert (2026) MVPF Construction: Liebensteiner, Losert, Necker, Neumeier, Paetzold, Wichert (2026)	MVPF 1.6	Details
The 2017 Corporate Tax Rate Cut Causal Estimates: Kennedy, Dobridge, Landefeld, Mortenson (2026) MVPF Construction: Kennedy, Dobridge, Landefeld, Mortenson (2026)	MVPF 1.5	Details
Input-Based Teacher Incentives: Chile’s Carrera Docente Causal Estimates: Araya-Córdova, Contreras, Rodríguez, Sepúlveda (forthcoming) MVPF Construction: Araya-Córdova, Contreras, Rodríguez, Sepúlveda (forthcoming)	MVPF 0.5	Details
Energy-Efficient Cookstove Subsidies Causal Estimates: Berkouwer and Dean (2026) MVPF Construction: Berkouwer and Dean (2026)	MVPF 25.0	Details
Information to Increase Therapy Demand Causal Estimates: Roth, Schwardmann, and Tripodi (2024) MVPF Construction: Roth, Schwardmann, and Tripodi (2024)	MVPF 1.0	Details
Subsidy and Information to Increase Therapy Demand Causal Estimates: Roth, Schwardmann, and Tripodi (2024) MVPF Construction: Roth, Schwardmann, and Tripodi (2024)	MVPF 2.1	Details
Subsidy to Increase Therapy Demand Causal Estimates: Roth, Schwardmann, and Tripodi (2024) MVPF Construction: Roth, Schwardmann, and Tripodi (2024)	MVPF 2.4	Details
Building Water Storage Cisterns in Brazil Causal Estimates: Barreto, Britto, Carrillo, Da Mata, Emanuel, Sampaio (2025) MVPF Construction: Barreto, Britto, Carrillo, Da Mata, Emanuel, Sampaio (2025)	MVPF 2.9	Details
Comprehensive Tax Audits on Firms in Uganda Causal Estimates: Henning & Okello Ayo (2026) MVPF Construction: Henning & Okello Ayo (2026)	MVPF Provides No Benefit on Average	Details
Decentralised Loan Repayment Programs and Long Run Health Outcomes Causal Estimates: Ghosh (2021) MVPF Construction: Ghosh (2021)	MVPF 1.1	Details
Argentina Pre-Primary Classroom Construction Causal Estimates: Berlinski, Cruces, Galiani, Gertler, Gonzalez (2026) MVPF Construction: Berlinski, Cruces, Galiani, Gertler, Gonzalez (2026)	MVPF Pays for Itself	Details
Tennessee Promise and Community College Subsidies Causal Estimates: Schoonover, Attridge, Carruthers, Welch (2026) MVPF Construction: Schoonover, Attridge, Carruthers, Welch (2026)	MVPF Pays for Itself	Details

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(241 total policies )

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Building the Policy Impacts Library is a collaborative effort.
We are always adding new research to the library and encourage researchers to submit their work.

If you want to learn more about how the MVPF might apply to your work, please get in touch.

The Policy Impacts Library

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