Nielsen SoundScan
From Copyright EVIDENCE
Studies that use this data source: | Aguiar and Waldfogel (2014), Hammond (2012), Liebowitz (2005), Liebowitz (2008), Lunney, Jr. (2012), Mortimer, Nosko and Sorensen (2012), Oberholzer-Gee and Strumpf (2007), Oberholzer-Gee and Strumpf (2010), Zhang (2012) |
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