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First, it examines the effectiveness of a portable saving device in reducing temptation spending and increasing savings\u00a0using\u00a0a\u00a0Randomised Control Trial (RCT) design. We then build on the data collected for RCT among slum dwellers in Pune, India and expand the scope of data collection to examine the long-term effect of the COVID-19 pandemic on livelihoods and consumption expenditure. Detailed information on income, savings, expenditure, knowledge about and behaviour during the pandemic was collected during various rounds. Additional information on female empowerment, decision making within the household and behavioural parameters was also collected. Four rounds of data were collected\u00a0- two rounds before COVID-19 in 2018 and 2019 through field interviews, and two rounds in 2020 and 2022 through phone interviews. The baseline sample consisted of 1525 slum dwellers who earned above subsistence level income in Pune, and we have a balanced panel of 411 individuals.<\/jats:p>","DOI":"10.1038\/s41597-026-06648-y","type":"journal-article","created":{"date-parts":[[2026,3,2]],"date-time":"2026-03-02T12:15:16Z","timestamp":1772453716000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Savings behaviour and livelihoods before and after COVID-19 \u2013 a four round panel dataset from Pune, India"],"prefix":"10.1038","volume":"13","author":[{"given":"Nitya","family":"Mittal","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7863-0462","authenticated-orcid":false,"given":"Sebastian","family":"Vollmer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,3,2]]},"reference":[{"key":"6648_CR1","doi-asserted-by":"publisher","first-page":"367","DOI":"10.1016\/j.jebo.2021.11.025","volume":"193","author":"JI Steinert","year":"2022","unstructured":"Steinert, J. I., Satish, R. V., Stips, F. & Vollmer, S. Commitment or concealment? Impacts and use of a portable saving device: Evidence from a field experiment in urban India. J Econ Behav Organ 193, 367\u2013398, https:\/\/doi.org\/10.1016\/j.jebo.2021.11.025 (2022).","journal-title":"J Econ Behav Organ"},{"issue":"1","key":"6648_CR2","doi-asserted-by":"publisher","first-page":"36","DOI":"10.1111\/roiw.12101","volume":"60","author":"D Karlan","year":"2014","unstructured":"Karlan, D., Ratan, A. L. & Zinman, J. Savings by and for the Poor: A Research Review and Agenda. Rev Income Wealth 60(1), 36\u201378, https:\/\/doi.org\/10.1111\/roiw.12101 (2014).","journal-title":"Rev Income Wealth"},{"key":"6648_CR3","doi-asserted-by":"publisher","first-page":"275","DOI":"10.1016\/j.jdeveco.2018.01.006","volume":"133","author":"F Kast","year":"2018","unstructured":"Kast, F., Meier, S. & Pomeranz, D. Saving more in groups: Field experimental evidence from Chile. 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