_thats_ a good summary right there, methinks 

Market actions are only known to be welfare improving ex ante. 

Since we can always be mistaken about how things will work out, ex post reality isn't always better.

Undisciplined

That makes sense to me. An industrial bubble just sounds like a high froth of creative destruction which could be a good thing

econ

Are Bubbles Good, Actually? (Financial Times, Tim Harford)

denlillaapan

That makes sense to me. An industrial bubble just sounds like a high froth of creative destruction which could be a good thing 