[tyjaksn]

From the article: “In economic terms, sunk costs are costs that have already been incurred and cannot be recovered.”

It wouldn’t be a sunk cost if if going to the concert was still valued at $50 or more.

[djmips]

This analogy is so very out of date. I've been able to sell my tickets for face value on the day of the event, using the 'net for over ten years now. And I could have made a killing if I really wanted to.