January is always a good month for behavioral economics: Few things illustrate self-control as vividly as New Years resolutions. February is even better, though, because it lets us study why so many of those resolutions are broken.
How should the best parts of psychology and economics interrelate in an enlightened economist's mind?... I think that these behavioral economics...or economists are probably the ones that are bending them in the correct direction. I don't think it's going to be that hard to bend economics a little to accommodate what's right in psychology.
Everyone's lost a lot of money on their 401k plans. I've heard some people calling them 201k plans. So it's even more important to get people to be saving more for retirement. Behavioral economics has helped us learn a lot about how to do that.
Retirement savings is probably behavioral economists' greatest success story. It is a prototypical behavioral-economics problem because saving for retirement is cognitively hard - figuring out how much to save - and requires self-control.