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However, considering the limited resources and security issue, mobile users may be unwilling to participate in crowdsourcing without any incentive. In this work, by combining reputation and contract theory, a dynamic long-term incentive mechanism is proposed to attract the mobile users to participate in mobile crowdsourcing networks. A two-period dynamic contract is first investigated to deal with the asymmetric information problem in the crowdsourcing tasks. Reputation strategy is then introduced to further attract the mobile users to complete the long-term crowdsourcing tasks. The optimal contracts are designed to obtain the maximum expected utility of service provider with reputation strategy and without reputation strategy, respectively. Simulation results demonstrate that the long-term crowdsourcing tasks can be guaranteed by combining the contract\u2019s explicit incentive with the reputation\u2019s implicit incentive. The incentive mechanism can gain a higher expected utility, the more implicit reputation effect factor. <\/jats:p>","DOI":"10.1177\/15501329221104352","type":"journal-article","created":{"date-parts":[[2022,6,28]],"date-time":"2022-06-28T08:40:54Z","timestamp":1656405654000},"page":"155013292211043","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Dynamic incentive mechanism in mobile crowdsourcing networks by combining reputation and contract theory"],"prefix":"10.1177","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3554-7618","authenticated-orcid":false,"given":"Nan","family":"Zhao","sequence":"first","affiliation":[{"name":"Hubei Key Laboratory for High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan, 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