{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:43:42Z","timestamp":1760150622401,"version":"build-2065373602"},"reference-count":8,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2023,12,13]],"date-time":"2023-12-13T00:00:00Z","timestamp":1702425600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JTAER"],"abstract":"<jats:p>Gruntkowski and Martinez examined the impact of factors such as perceived risk and perceived usefulness on German consumers\u2019 intention to purchase groceries online once the COVID-19 pandemic had subsided. They also compared consumer perceptions before and during the COVID-19 outbreak. This comment shows that Gruntkowski and Martinez\u2019s research suffers from a number of problems, the most important of which is the use of an unrepresentative sample. They should therefore have refrained from generalizing their findings to the German population.<\/jats:p>","DOI":"10.3390\/jtaer18040112","type":"journal-article","created":{"date-parts":[[2023,12,13]],"date-time":"2023-12-13T12:00:37Z","timestamp":1702468837000},"page":"2233-2237","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comment on Gruntkowski, L.M.; Martinez, L.F. Online Grocery Shopping in Germany: Assessing the Impact of COVID-19. J. Theor. Appl. Electron. Commer. Res. 2022, 17, 984\u20131002"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7546-7746","authenticated-orcid":false,"given":"Leo","family":"Van Hove","sequence":"first","affiliation":[{"name":"Department of Applied Economics, Vrije Universiteit Brussel (Free University of Brussels), 1050 Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"984","DOI":"10.3390\/jtaer17030050","article-title":"Online Grocery Shopping in Germany: Assessing the Impact of COVID-19","volume":"17","author":"Gruntkowski","year":"2022","journal-title":"J. Theor. Appl. Electron. Commer. Res."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Van Droogenbroeck, E., and Van Hove, L. (2021). Adoption and Usage of E-Grocery Shopping: A Context-Specific UTAUT2 Model. 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Man."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/j.tra.2006.02.003","article-title":"Shopping Online and\/or In-Store? A Structural Equation Model of the Relationships Between E-Shopping and In-Store Shopping","volume":"41","author":"Farag","year":"2007","journal-title":"Transp. Res. A Policy Pract."},{"key":"ref_7","unstructured":"Eurostat (2022, August 24). Data Brower. Available online: https:\/\/ec.europa.eu\/eurostat\/databrowser\/view\/ISOC_EC_IBGS__custom_3248713\/default\/table?lang=en."},{"key":"ref_8","unstructured":"Spryker & Appinio (2022, August 24). Ultimate Overview of Online Food Retailing in Germany in 2022 and Beyond. Available online: https:\/\/www.efoodinsights.com\/de-online-grocery-report\/."}],"container-title":["Journal of Theoretical and Applied Electronic Commerce Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/0718-1876\/18\/4\/112\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T21:37:39Z","timestamp":1760132259000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/0718-1876\/18\/4\/112"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,12,13]]},"references-count":8,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2023,12]]}},"alternative-id":["jtaer18040112"],"URL":"https:\/\/doi.org\/10.3390\/jtaer18040112","relation":{},"ISSN":["0718-1876"],"issn-type":[{"type":"electronic","value":"0718-1876"}],"subject":[],"published":{"date-parts":[[2023,12,13]]}}}