▁product ivity ▁and ▁skills ; ▁health ▁and ▁an ▁ag ing ▁population ; ▁and ▁the ▁environment . ▁ ▁C PR N ▁also ▁hosted ▁the ▁site ▁Job Qual ity . ca ▁which ▁provided ▁resources ▁on ▁the ▁quality ▁of ▁jobs ▁in ▁Canada . ▁C PR N ▁produced ▁more ▁than ▁ 7 0 0 ▁publications ▁which ▁touched ▁on ▁almost ▁all ▁the ▁major ▁so cio - e conom ic ▁challeng es ▁facing ▁Canada . ▁ ▁According ▁to ▁a ▁federal ▁government ▁external ▁evaluation ▁from ▁ 2 0 0 5 , ▁C PR N ▁was ▁" some what ▁unique ▁among ▁[ Can ad ian ] ▁think ▁t anks " ▁having ▁developed ▁expert ise ▁in ▁health , ▁work ▁and ▁social ▁policy ▁" with ▁a ▁special ▁n iche ▁in ▁the ▁area ▁of ▁system atic ▁public ▁eng agement ". ▁ ▁In ▁Think ▁T anks ▁Ac ross ▁Nations , ▁the ▁authors ▁flag ▁C PR N ▁as ▁having ▁had ▁an ▁important ▁inter dis cipl inary ▁approach ▁to ▁policy ▁research ▁and ▁state ▁that ▁this ▁is ▁" something ▁which ... f ew ▁think ▁t anks ▁ever ▁accomplish ." ▁ ▁Research ▁from ▁the ▁Johnson - S ho y ama ▁Gr adu ate ▁School ▁of ▁Public ▁Policy , ▁University ▁of ▁Regin a ▁states ▁that ▁C PR N ▁had ▁" a ▁major ▁influence ▁on ▁Canadian ▁social ▁policy ▁decision - m akers " ▁and ▁was ▁" respons ive ▁to ▁the ▁needs ▁of ▁decision - m akers ▁in ▁producing ▁policies ▁capable ▁of ▁implementation ▁within ▁short ▁time ▁frames ." ▁ ▁They ▁further ▁note ▁that ▁C PR N ▁was ▁once ▁Canada ' s ▁most