One of the reasons I’m still a bear on the economy is because the economists in the optimists camp are relying upon very bad economic theory. If that theory is telling them good times are ahead, that’s one of the best predictors of bad times you could have.
This isn’t because the optimists are bad economists, bad people, or any other permutation: most economists I know are good at what they do, and are very well intentioned too.
It’s just that they were taught a crock of nonsense at university, and they now build models based on a crock of nonsense that they erroneously believe to be accurate descriptions of the real world.