• Updated PDF codebook
• Added information and data for the publication Freedom in the 50 States: Index of Personal and Economic Freedom (Washington, D.C.: Mercatus Center at George Mason University)

• Updated fiscal data (through 2006), with new variables
• New calculation of “corrected GSP” and tax and spending ratios
• Updated law enforcement data (through 2006), with new variables
• Corrected small errors in the education regulations data
• Corrected small errors in the gun control data
• Recalculated state policy ideology variables

Read about the fiscal policy changes here.