I think we could get people to both be more productive and happier. We're less productive as individuals. We're less productive as companies, and we're more miserable.

Even the most analytical thinkers are predictably irrational; the really smart ones acknowledge and address their irrationalities.

I always found the appeal to the market gods a bit odd. Why would the market fix mistakes instead of aggravating them?

The people that lend you money basically give you an answer based on the risk that they are willing to take. But just because a bank is willing to take a particular risk doesn't mean that that is the right amount for me to spend.

But suppose we are nothing more than the sum of our first, naive, random behaviors. What then?

If we all make systematic mistakes in our decisions, then why not develop new strategies, tools, and methods to help us make better decisions and improve our overall well-being? That's exactly the meaning of free lunches- the idea that there are tools, methods, and policies that can help all of us make better decisions and as a consequence achieve what we desire-pg. 241

Do you know how much money you would save if you changed your light bulb to compact florescent light bubs? How much would you save if you decreased your temperature of your house in the winter by one degree, or increase it by one degree? We just don't know these numbers, but I think displays could make it a memorable change in terms of attention, and also help us translate it in terms of concrete ways on what you can get.