I suspect also the end of Bretton-Woods, and western counties moving from dominantly Keynesian economic policy to dominantly Monetarism/Neoliberalism (which is responisble for your last two points).

I suggest the following article [1] for more on neoliberalism, as well as Philip Pilkington's series of articles on the origin on neoliberalism.

[1] http://www.globalexchange.org/resources/econ101/neoliberalis...