{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,4]],"date-time":"2026-04-04T18:53:11Z","timestamp":1775328791978,"version":"3.50.1"},"reference-count":52,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,9,14]],"date-time":"2020-09-14T00:00:00Z","timestamp":1600041600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>The present study deals with the modification of Wilson\u2019s formulation by taking into account changes in the supply chain represented by the parameters of the model, namely varying delivery costs and price of goods stored. The four different models are presented. The proposed models avoid the main drawbacks of Wilson\u2019s formulation\u2014the constant price and reordering time\u2014and discuss the case where varying parameters are used alongside discounting. The proposed models render lower costs under particular settings.<\/jats:p>","DOI":"10.3390\/sym12091512","type":"journal-article","created":{"date-parts":[[2020,9,14]],"date-time":"2020-09-14T09:04:53Z","timestamp":1600074293000},"page":"1512","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["A New Model for Determining the EOQ under Changing Price Parameters and Reordering Time"],"prefix":"10.3390","volume":"12","author":[{"given":"Tetyana","family":"Nestorenko","sequence":"first","affiliation":[{"name":"Department of Economics, Entrepreneurship and Finance, Faculty of the Humanities and Economics, Berdyansk State Pedagogical University, 4 Shmidt Str., 71112 Berdyansk, Ukraine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mangirdas","family":"Morkunas","sequence":"additional","affiliation":[{"name":"Department of Business, Faculty of Economics and Business Administration, Vilnius University, Sauletekio av. 9, 10222 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jana","family":"Peliova","sequence":"additional","affiliation":[{"name":"Faculty of National Economy, University of Economics in Bratislava, Dolnozemska cesta 1, 85235 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1394-3852","authenticated-orcid":false,"given":"Artiom","family":"Volkov","sequence":"additional","affiliation":[{"name":"Division of Farm and Enterprise Economics, Lithuanian Institute of Agrarian Economics, A. 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