The first axis looks at how leaders exercise their power, from centralized and top-down to decentralized and bottom-up.

FORBES

Near field communications (NFC) is among the leaders with very high expectations (Y-axis) and a (5-10)-year cycle before a plateau.

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Mr Schroeder has ignored warnings from US leaders and forged, in effect, a rival axis of power and diplomacy.

BBC: Analysis: Schroeder challenges the US