Can we measure public sector innovation? A literature review [Electronic resource]
Kattel, Rainer
;
Cepilovs, Aleksandrs
;
Drechsler, Wolfgang
;
Kalvet, Tarmo
;
Lember, Veiko
;
Tõnurist, Piret
2014
http://www.lipse.org/userfiles/uploads/Working%20paper%202%20Kattel%20et%20al.pdf