Text (sort by date, title)
- Karl Widerquist, forthcoming, “Problems with Pilot Projects,” the Palgrave International Handbook of Basic Income, Second Edition. Malcolm Torry (editor). New York: Palgrave-Macmillan
- Karl Widerquist, 2020, “The Negative Income Tax Experiments of the 1970s,” the Palgrave International Handbook of Basic Income. Malcolm Torry (editor). New York: Palgrave-Macmillan
- Karl Widerquist, 2018. A Critical Analysis of Basic Income Experiments for Researchers, Policymakers, and Citizens, New York: Palgrave Macmillan (167 pages)
- Karl Widerquist, 2018, “The Devil’s in the Caveats: A Brief Discussion of the Difficulties of Basic Income Experiments,” CESifo Forum 19 (3), September, 30-35
- The Political Economy of Basic Income Trials. Basic income Iceland 2017 – Day 2 at 2:03:56. BIEN Island [BIEN Iceland] YouTube Channel, September 1, 2017
- Karl Widerquist, 2006. “The Bottom Line in a Basic Income Experiment” Basic Income Studies 1 (2): 1-5
- Karl Widerquist, 2005. “A Failure to Communicate: What (if Anything) Can We Learn From the Negative Income Tax Experiments?” the Journal of Socio-Economics 34 (1): 49-81
- Robert Levine, Harold Watts, Robinson Hollister, Walter Williams, Alice O’Connor, and Karl Widerquist, 2005. “A Retrospective on the Negative Income Tax Experiments: Looking Back at the Most Innovative Field Studies in Social Policy,” in The Ethics and Economics of the Basic Income Guarantee, Karl Widerquist, Michael A. Lewis, and Steven Pressman (eds.) Aldershot, UK: Ashgate, pp. 95-106.
- Karl Widerquist, 2004. “The Labour Market Findings of the Negative Income Tax Experiments and Their Effects on Policy and Public Opinion,” in Promoting Income Security as a Right: Europe and North America, Guy Standing (ed.), London, Anthem Press, pp. 497-537
Audio-Video
My YouTube channel’s playlist of videos on UBI experiments
