Fashion "dupes," or less expensive versions of high-end clothing and other accessories, are just about everywhere these days.

Sotheby’s Paris is set to auction Jane Birkin’s original Hermès Birkin bag alongside rare pieces from Alaïa, McQueen, and ...

But the rising frenzy for dupes, particularly in the fashion space, signals that many shoppers want a taste of luxury, but no longer want to pay for (or care about) getting the real thing. Late last ...