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On the basis of a representative sample of the German population, which includes 1,403 respondents interviewed at three waves separated by 6\u2009months, we investigate the privacy paradox from a longitudinal perspective. Using a cross-lagged panel model with random intercepts, we differentiate between-person relations from within-person effects. Results revealed that people who were more concerned about their online privacy than others also shared slightly less personal information and had substantially more negative attitudes toward information sharing (between-person level). People who were more concerned than usual also shared slightly less information than usual (within-person level). We found no long-term effects of privacy concerns on information sharing or attitudes 6\u2009months later. The results provide further evidence against the privacy paradox, but more research is needed to better understand potential causal relations.<\/jats:p>","DOI":"10.1177\/14614448211016316","type":"journal-article","created":{"date-parts":[[2021,6,5]],"date-time":"2021-06-05T02:12:32Z","timestamp":1622859152000},"page":"1043-1064","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":40,"title":["A longitudinal analysis of the privacy paradox"],"prefix":"10.1177","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6875-8083","authenticated-orcid":false,"given":"Tobias","family":"Dienlin","sequence":"first","affiliation":[{"name":"University of Vienna, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philipp K","family":"Masur","sequence":"additional","affiliation":[{"name":"VU Amsterdam, Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabine","family":"Trepte","sequence":"additional","affiliation":[{"name":"University of Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,6,4]]},"reference":[{"key":"bibr1-14614448211016316","unstructured":"Acquisti A, Grossklags J (2003) Losses, gains, and hyperbolic discounting: an experimental approach to information security attitudes and behavior. 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