Old classics never die. While some papers are written, published and quickly forgotten (because no one cites them), other papers stand the test of time and survive as classic or seminal papers. A risk/benefit analysis of sourcing strategies: Single vs. multiple sourcing, written by Mark Treleven and Sharon Schweikhart in 1988 is perhaps not the most cited paper since its inception more than 20 years ago (Scopus only comes up with 31 citations), but it is a paper that is cited in the supply chain risk literature until this day, and for a good reason, as it was among the first papers to examine the costs and benefits of single versus multiple sourcing strategies.

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