It is commonly thought that the richer the country, the lower the birth rate. It is no longer true. The birth rate re-bounce to the replacement rate if the country is grow even richer! Zero population growth is the ideal.
This is the classic paper on work and schedule. It is a known fact that work will expands to fill up its allocated time. Somehow our management take it one step further, thinking work can also be squeezed into a unrealistically tight schedule.
The lefties always love trashing economy theories being the slave of the all evil capitalism. Maybe this article from the Economist, the stronghold from the right, would deliver debate ammo to the lefties, if they choose to misinterpret it for their convenience.