An Economy Like a little kid

http://marginalrevolution.com/marginalrevolution/2011/09/sentences-to-ponder-the-real-political-business-cycle-theory.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+marginalrevolution%2Ffeed+%28Marginal+Revolution%29

Which kid is more likely to die, the one kept safe in a bubble or the one who learns his lessons, iterates on experience by taking minor and not so minor falls throughout childhood.  I took plenty of falls and am still here. Bones, trees, muscles, species, etc are also strengthened by stress.  To the extent that we perceive economies as evolving systems, allowing learning though failure likely increases the probability of survival.