RT Journal Article T1 Is There Empirical Evidence on How the Implementation of a Universal Basic Income (UBI) Affects Labour Supply? A Systematic Review A1 Paz Báñez, Manuela Adelaida de A1 Asensio Coto, María José A1 Sánchez López, Celia A1 Aceytuno Pérez, María Teresa AB The objective of this article is to determine, as conclusively as possible, if the implementationof a Universal Basic Income (UBI) would lead to a significant reduction in the working age populationlabour supply. If this were true, implementation of a UBI may not be sustainable. To do this, we willcompile empirical evidence from studies over the last few decades on the effects of implementation of aUBI on employment. We apply the PRISMA methodology to better judge their validity, which ensuresmaximum reliability of the results by avoiding biases and making the work reproducible. Given thatthe methodologies used in these studies are diverse, they are reviewed to contextualize the resultstaking into account the possible limitations detected in these methodologies. While many authors havebeen writing about this issue citing experiences or experiments, the added value of this article is that itperforms a systematic review following a widely tested scientific methodology. Over 1200 documentsthat discuss the UBI/employment relationship have been reviewed. We found a total of 50 empiricalcases, of which 18 were selected, and 38 studies with contrasted empirical evidence on this relationship.The results speak for themselves: Despite a detailed search, we have not found any evidence of asignificant reduction in labour supply. Instead, we found evidence that labour supply increasesglobally among adults, men and women, young and old, and the existence of some insignificantand functional reductions to the system such as a decrease in workers from the following categories:Children, the elderly, the sick, those with disabilities, women with young children to look after,or young people who continued studying. These reductions do not reduce the overall supply since itis largely offset by increased supply from other members of the community. PB MDPI SN 2071-1050 YR 2020 FD 2020-11 LK http://hdl.handle.net/10272/19380 UL http://hdl.handle.net/10272/19380 LA eng NO Paz Báñez, M. A. de, Asensio Coto, M. J., Sánchez López, C., & Aceytuno Pérez, M. T. (2020). Is There Empirical Evidence on How the Implementation of a Universal Basic Income (UBI) Affects Labour Supply? A Systematic Review. Sustainability, 12(22), 9459. DOI: https://doi.org/10.3390/su12229459 DS Repositorio Institucional de la Universidad de Huelva RD 31 may 2026