?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Vaganay%2C+Arnaud&rft.aufirst=Arnaud&rft.aulast=Vaganay&rft.inst=The+London+School+of+Economics+and+Political+Science+(LSE)&rft.title=Evidence-based+policy+or+policy-based+evidence%3F+The+effect+of+policy+commitment+on+government-sponsored+evaluation+in+Britain+(1997-2010)+&rft.tpages=222&rft.degree=PhD&rft.date=December+2014