Digital technology makes piracy easier and thus has long threatened the dominance of Hollywood studios, the music industry and publishers in the creation and distribution of content. But this technology also lets anyone develop and disseminate content: Authors self-publish, musicians bypass record labels to release songs directly to the public, and filmmakers do the same without a major studio. This democratization has led to a tsunami of content and ushered in a new Golden Age of entertainment, said Joel Waldfogel, associate dean of MBA programs at the University of Minnesota and a former Wharton professor of business economics and public policy. Waldfogel joined the Knowledge at Wharton radio show on SiriusXM to explain his view, which is encapsulated in his new book, Digital Renaissance: What Data and Economics Tell Us About the Future of Popular Culture . An edited transcript of the conversation follows.…