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It's Just Common Sense.

CSI’s mission is to examine the fiscal impacts of policies, initiatives, and proposed laws so that citizens are educated and informed on issues impacting their lives. CSI employs rigorous research techniques and dynamic modeling to evaluate the potential impact of these measures on the economy and individual opportunity.
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Common Sense Institute is a non-partisan research organization dedicated to protecting and promoting the economy. CSI is at the forefront of important discussions concerning the future of free enterprise and aims to have an impact on the issues that matter most.

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Research

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Ballot Issues
13 Outcomes: How Amendment 87 Would Affect Colorado’s Economy & Residents
13 Outcomes: How Amendment 87 Would Affect Colorado’s Economy & Residents Introduction Colorado has had a flat tax for both…

October 5, 2026


Thomas Young, Ph.D.
Ballot Issues
Analyzing Student Proficiency and Instructional Spending: A Voter’s Guide to Proposition 320 and Public-School Spending in Arizona
Introduction On November 3, Arizona voters will decide whether to adopt Proposition 320, a measure designed to improve the state’s…
Crime & Public Safety
Policing Quality of Life in Denver: Nuisance Crime Trends
Policing Quality of Life in Denver: Nuisance Crime Trends Foreword Ask a Denver resident whether nuisance crime matters, and you…
State Budget
Counties, Cities, and the Cap—Iowa’s Local Payroll Growth Meets SF 2472
Introduction State and local government has become a driver of employment growth throughout the United States. According to an analysis…

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