{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T05:07:17Z","timestamp":1774415237186,"version":"3.50.1"},"reference-count":37,"publisher":"MIS Quarterly","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,9,1]]},"abstract":"<jats:p>In this research note, we study the welfare implications of shortening the length of the lock-in period associated with triple play contracts using household level data, from a large telecommunications provider, for a period of 6 months. Using a multinomial logit model to explain consumer behavior we show that, in our setting, shortening the length of the lock-in period decreases the aggregated profit of the firms in the market more than it increases consumer surplus. This result arises because shortening the length of the lock-in period increases churn, and the costs to set up service for the consumers that churn and join a new carrier supersede the increase in the consumers\u2019 willingness to pay for service when the length of the lock-in period shortens.<\/jats:p>","DOI":"10.25300\/misq\/2020\/14839","type":"journal-article","created":{"date-parts":[[2021,1,14]],"date-time":"2021-01-14T15:25:14Z","timestamp":1610637914000},"page":"1391-1409","source":"Crossref","is-referenced-by-count":5,"title":["The Effect of Shortening Lock-in Periods in Telecommunication Services"],"prefix":"10.25300","volume":"44","author":[{"given":"Baojiang","family":"Yang","sequence":"first","affiliation":[{"name":"Universidade Cat\u00f3lica Portuguesa, Cat\u00f3lica Lisbon School of Business and Economics, Palma de Cima, 1649-023 Lisboa Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel Godinho","family":"de Matos","sequence":"additional","affiliation":[{"name":"Universidade Cat\u00f3lica Portuguesa, Cat\u00f3lica Lisbon School of Business and Economics, Palma de Cima, 1649-023 Lisboa Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pedro","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Heinz College, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh PA 15213 U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10933","published-online":{"date-parts":[[2020,9,1]]},"reference":[{"issue":"3","key":"2025082212205736200_b1-12_14839_rn_yang_de_matos","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1016\/j.telpol.2007.08.006","article-title":"Early Mover Advantages: An Empirical Analysis of European Mobile Phone Markets","volume":"32","author":"Bijwaard","year":"2008","journal-title":"Telecommunications 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