To cope with the uncertainty of labor supply from freelance/self-scheduling drivers, some ride-sourcing platforms recruit contractual who are paid a fixed salary for pre-specified work schedules. This paper develops an aggregate modeling framework to examine practicability such dual-sourcing strategy. We investigate optimal contract design dual sourcing under demand uncertainty, varying price s...

The potential of open data as a resource for driving citizen-led urban innovation relies not only on a suitable technical infrastructure but also on the skills and knowledge of the citizens themselves. This paper describes how a smart city project in Milton Keynes, UK, is supporting multiple stages of citizen innovation, from ideation through to citizen-led smart city projects. This approach en...

• We analyse procurement from suppliers with diseconomies of scale in production. Buyer can increase his surplus holding a split-award auction before setting price. Optimally leaves one supplier without lot and size is inefficiently large. All are active make positive profit. study how buyer unable to (directly) price discriminate should satisfy demand for divisible good, produced increasing ma...

A decades of offshoring production across the world, companies are rethinking their global networks. Local sourcing is receiving more attention, but it remains challenging to balance the offshore sourcing cost advantage against the increased inventories, because of its longer lead time, and against the cost and (volume) flexibility of each source’s capacity. To guide strategic allocation in thi...

Strategic sourcing, defined as a firm’s key business process to identify, evaluate, configure, and negotiate purchases in important spend categories while 142 DAI, NARASIMHAN, AND WU managing long-term supplier relationships, is playing a significant role in sourcing strategies. The adoption of e-sourcing, defined as the use of business software (for example, using application service providers...