The supplemental .zip archive for this publication contains the following files. Stata files were created using Version 12 for MAC and may not be compatible with earlier versions/other operative systems. 1. Stata data file, ESS ESSsolo.dta 2. Stata data file, EVS-original EVSsolo.dta 3. Stata data file, EVS after running proofEVS.do for EVSsolo.dta EVSforESS.dta 4. Stata program to construct EVS file proofEVS.do 5. Barro-Lee data file, ready to use Barro_Lee.dta 6. Equity data file, ready to use equity.dta 7. GDP data file, ready to use GDP.dta 8. Stata program file to produce multilevel results. SyntaxforDemRes.do