Trends!
Trying to Puzzle Through the Current Macro Situation. "My current guesses? A 40% chance that things are simply delayed by the long and variable lags, a 30% chance that I am in for a big surprise as it turns out that that the era of "secular stagnation" & permanently low equilibrium rates that place chronic deflationary pressure on the economy, and a 30% chance the "unknown unknowns" rule everything around us..." (Brad de Long)