Looked at all your links- good stuff, but not easily accessible in several ways.
There is no more important question than this, for future policymakers of today.
Here's an excellent set of lectures that deal directly with the idea of buying happiness. They begin to lay the foundation for survivable policy in this area.

Happiness:   has social science a clue?

happiness and money, #2

happiness and money, #3

I think in many respects these are more directly relevant to the question of-- "what now?"- now that stuff has been revealed (surprise, surprise) as the death of our world as we know it.

--One fruit fly to the other-- " Geez, Fred-- stop worrying. It's a big bottle, and this here green stuff is quite good. just cool it, and eat up, before someone else gets there first."

Capitalism searches out the darkest corners of human potential, and mainlines them.