Resale of used products may shrink the new-product market and create the cannibalization problem. This problem is exacerbated in the digital goods market because copies of digital goods can be perfect substitutes of the original. Many digital goods/service producers take advantage of technology...

About 30 million tons of plastic waste --or 10% of the world's annual plastic production-- reaches the oceans each year, most from developing coastal countries. We study novel business models of organizations with a triple bottom line (TBL) objective that is a weighted sum of profit, and...

This paper considers a tandem queueing system, in which stage 1 has one station serving multiple classes of arriving customers differing in their service requirements and related delay costs, and stage 2 has multiple parallel stations, each of which provides one type of service. Each station has...

Bundling can change consumers' choice set and affect their purchase decision. It is well-documented that consumers' preferences depend on the bundling context. In this paper, we investigate the effects of consumers' context-dependent preferences (CDPs) on the firm's optimal bundling strategy in...

This chapter summarizes recent development on simple heuristics for optimal inventory policies of multi-echelon inventory systems. These simple heuristics are based on solving a sequence of single-stage inventory problems whose parameters are obtained from the original system data. We mainly...

We consider a dynamic pricing problem for consumer electronics trade-in program, where a firm buys and sells multiple types of pre-owned (used) products over a finite selling horizon. The trade-in program offers two options: trade-in for cash and trade-in for upgrade, where in the former...