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3.4 The impact of technological change and automation on the demand for labor is a key policy issue that is the subject of much research. Check out the interview with David Autor on econtalk.org at http://www.econtalk.org/archives/2014/10/david autor on.html or Autor (2015) "Why are there still so many jobs? The history and future of workplace automation", Journal of Economic Perspectives. Write down a few sentences regarding the hypotheses discussed that you found most noteworthy