20. The classic statement is Charles Kindleberger, "Dominance
and Leadership in the International Economy," International
Studies Quarterly, No. 25 (June 1981), pp. 242-254. The level
of relative capability also appears to be a cause of the G-7 members'
compliance with Summit agreements, as the Von Furstenberg and
Daniels data suggest it is the weak members who comply with their
Summit commitments while the powerful do not.