Purpose: This study examines how modular interfaces manifest in multi-provider contexts and how they can improve coordination and customization of services. The aim of the study is to describe interfaces in multi-provider contexts and elaborate on how they support the delivery of integrated...

One Introduction -- 1.1. Problem statement -- 1.2. Outline of the book -- 1.3. Relevant economic literature -- 1.4. The multilevel approach -- Two The Model of the Firm: Multiple Techniques and Make-or-buy Decisions -- 2.1. Introduction -- 2.2. The firm in input-output terminology -- 2.3....