Karl Widerquist is Associate Professor at the Georgetown University School of Foreign Service in Qatar. He is an internationally recognized expert not only on Basic Income, which he has written about as an economist, philosopher, political theorist, and policy analyst, but also on Basic Income experiments. He has published several academic and non-academic articles on Basic Income experiments over the last 15 years and is the editor of the book series Exploring the Basic Income Guarantee (Palgrave Macmillan). He was a founding editor of the journal Basic Income Studies and co-chair of BIEN for seven years.

Part one: UBI, available tests, testing problems, and past experiments

Chapter 1: Introduction

Chapter 2: Universal Basic Income and its more testable sibling, the Negative Income Tax

Chapter 3: Available testing techniques

Chapter 4: Testing difficulties

Chapter 5: The practical impossibility of testing UBI

Chapter 6: BIG experiments of the 1970s and the public reaction to them

Chapter 7: New experimental findings 2009-2013

Part Two: The place of experiments in the political economy of UBI

Chapter 8: Why UBI experiments cannot resolve much of the public disagreement about UBI

Chapter 9: The political economy of the decision to have a UBI experiment

Chapter 10: The chain of misunderstanding between experimenters and their nonspecialist audience

Part Three: From the debate to the test

Chapter 12: The bottom line

Chapter 13: Identifying important empirical claims in the UBI debate

Chapter 14: Claims that don't need a test

Chapter 15: Claims that can't be tested with available techniques

Chapter 16: Claims that can be tested but only partially, indirectly, or inconclusively

Chapter 17: From the dream test to good tests within feasible budgets