Each year the Manufacturing and Service Operations Management (MSOM) Society of INFORMS conducts a student paper competition. In Volume 2, Issue 2 of M&SOM, we published the extended abstracts of the 1999 winners in the hopes that this could become an annual event. Our hopes have become a...

Blockchain technology has become widely accepted to demonstrate the provenance of physical goods, but there are open questions about its practical implementation and overall effect on ethical sourcing. In the diamond industry, blockchain enables credibility of the certificate of origin and...