Discuss the principal variables at each level-of-analysis that you believe account for the demise of one phase and the onset of the succeeding one.

The transition from management to governance in international economic relations has been said to have gone through three phases, according to Spero and Hart: Bretton Woods, Interdependence and, Globalization. Discuss the principal variables at each level-of-analysis that you believe account for the demise of one phase and the onset of the succeeding one. Do variables at the same levels lead you to believe that a fourth phase is on the horizon? Why/Why not?