K N E N V I N D E X r , t = ( E c o n F r e e I n d e x r , t + F r e e D o m I n d e x r , t + G o v R e g Q u a l I n d e x r , t ) / 3 {\displaystyle KNENVINDEX_{r,t}=(EconFreeIndex_{r,t}+FreeDomIndex_{r,t}+GovRegQualIndex_{r,t})/3}
E c o n F r e e I n d e x r , t = E C O N F R E E r , t / 10 {\displaystyle EconFreeIndex_{r,t}=ECONFREE_{r,t}/10}
F r e e D o m I n d e x r , t = F R E E D O M r , t / 14 {\displaystyle FreeDomIndex_{r,t}=FREEDOM_{r,t}/14}
<math>GovRegQualIndex_{r,t}=GOVREGQUAL_{r,t}/5
