What is benartzi's solution to all of these behavioral challenges that effect personal finance? how does improved personal finance benefit the economy in general?

Shlomo Benartzi's solution to all the behavioral challenges that prevent people from saving money is a strategy called "Save More Tomorrow. "

What Sholmo Bernatzi proposes is to dribble our brain from the negative thinking about saving is to think about saving, but not today, tomorrow! That's right, the idea is not to save now, but set goals to save when you receive a raise, so you will not have that sense of loss.

When you save money, you save to invest in something. This investment through your personal finances can help the economy, because when you invest it you will generate taxes that will drive the economy.

c or d both can be the answer