Going back to econ 101 & supply/demand curves:
Jevons describes the supply curve moving out, resulting in increased quantity
Baumol describes the supply curve moving back, resulting in higher prices
Jevons describes the supply curve moving out, resulting in increased quantity
Baumol describes the supply curve moving back, resulting in higher prices
Getting to Yes, BATNA, Etc. In an efficient market the price of Thing A is exactly equal to what you'd pay for your best alternative Thing B (assuming you can find an offer for your bid)