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Cutting Crime, Boosting Returns: How Evidence-Based Programs Deliver Up to 31% Annual ROI for Taxpayers

The Washington State Institute for Public Policy (WSIPP) conducted a comprehensive analysis titled “The Comparative Costs and Benefits of Programs to Reduce Crime, Version 4.0,” evaluating the economic efficiency of various crime reduction programs. By systematically reviewing evaluations from the past 25 years, WSIPP assessed whether the benefits of these programs, measured by their impact on crime reduction and the associated value to taxpayers and crime victims, outweigh their implementation costs.

Investing in Early Childhood Education: How the Perry Preschool Program Delivers a 7-10% Annual ROI

Investing in early childhood education has long been advocated as a strategy to enhance economic efficiency and reduce social disparities. A seminal study on this topic is “The Rate of Return to the High/Scope Perry Preschool Program,” which offers an in-depth analysis of the economic benefits derived from early intervention programs targeting disadvantaged youth.

The Social Impact of Green Energy Materials: Risks, ROI, and Sustainable Solutions

The global transition to green energy has accelerated rapidly, increasing the demand for critical materials like rare earth elements (REEs), lithium, nickel, silicon, and cobalt. While these materials power wind turbines, solar panels, and electric vehicles (EVs), their mining and processing have significant social impacts. This study presents a quantitative assessment of these impacts, addressing employment rates, labor income share, gender equality, work safety, informal employment, and child labor—key indicators aligned with Sustainable Development Goals (SDGs) 1, 5, and 8.