Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Leizhen Zang,Replication Data for Does Democracy Cause Innovation?An Empirical Test of the Popper Hypothesis,,,Harvard Dataverse,2017-01-01,,,,https://cir.nii.ac.jp/crid/1880584740845140480,https://doi.org/10.7910/dvn/kpot20