We examine a supply base diversification problem faced by a buyer who periodically holds auctions to award short term supply contracts among a cohort of suppliers (i.e., the supply base). To mitigate significant cost shocks to procurement, the buyer can diversify her supply base by selecting...

We consider a ride-hailing platform that provides free information to taxi drivers. Upon receiving a rider's request, the platform broadcasts the rider's origin and destination to idle drivers, who accept or ignore the request depending on the profitability considerations. We show that providing...

With the popularization of ride-sharing services, drivers working as freelancers on ride-sourcing platforms can design their schedules flexibly. They make decisions regarding whether to participate in work, and if so, how many hours to work. Understanding flexible labor supply behaviour is...

This paper empirically studies a decentralized dynamic peer-to-peer matching market. We use data from a leading ride-sharing platform in China to estimate a continuous-time dynamic model of search and match between drivers and passengers. We assess the efficiency of the decentralized market by...

Buyers have two levers to enhance their supply base performance: fostering supplier competition and inducing suppliers to improve. The competition-improvement relation between the two levers has important implications for supply base design. We study a buyer facing two potential suppliers that...

A buyer engages a procurement service provider (PSP) to short-list pre-screened suppliers for final selection. The PSP can exert costly effort to include promising candidates that have a higher probability to be deemed qualified by the buyer. The buyer optimizes two key decision variables in her...

While offshore outsourcing has become an important strategy to lower production costs among Western firms, it gives rise to the phenomenon of value chain climbing – suppliers in emerging markets can develop capabilities by supplying, with aspirations to compete with the buyers in the product...