There are Nobel laureates who work down the hall from each other that do not agree on the meaning of the terms "asset bubble" or "market failure", or arguably e

There are Nobel laureates who work down the hall from each other that do not agree on the meaning of the terms "asset bubble" or "market failure", or arguably even "debt" for starters. I find it hard to imagine a "descriptive economic theory" without relatively unshakably agreed upon definitions of these terms.