Summary: | Logistics services have evolved and changed over time, especially in the hiring of them according to the concepts
of 3PL (third party logistics), 4PL (fourth party logistics) or insourcing logistics. 3PL service is a consolidated
business, 4PL is an option for outsourcing logistics and has already been adopted by some organizations, and insourcing
logistics suggests the return of these activities being internalized by companies, which is still a relatively
unexplored subject in logistics literature. Analyzing these themes in the literature, this study updates the view on
them and proposes a conceptual framework that classifies the different models of logistics services, showing the
different options that can be adopted to help the company decide how to run their logistics services.
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