Posted this in today's SMW thread - but seems applicable here...
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There is a clear thread that connects domestic developments in the U.S. income distribution, debt-funded growth, the increased dominance of the rentier capitalists who profit from these developments, and global ambitions and the projection of imperial dominance. A century ago John A. Hobson argued that as the power of rentiers grows and taxation becomes more dramatically regressive, a hegemonic power (then Great Britain) is tempted to engage in imperialism. Hobson urged higher taxation of incomes generated as a result of financial speculation and government favoritism to produce a more equal distribution of income and higher working-class and middle-income spending, which would encourage domestic investment and make imperialism less attractive. He wrote,
The issue in a word, is between external expansion of markets and of territory on the one hand, and internal social and industrial reforms upon the other; between a militant imperialism animated by the lust for quantitative growth as a means by which the governing and possessing classes may retain their monopoly of political power and industrial supremacy, and a peaceful democracy engaged upon the development of its national resources in order to secure for all members the conditions of improved comfort, security, and leisure essential for a worthy national life. (John A. Hobson, “Free Trade and Foreign Policy,” Contemporary Review 64 <1898>: 179, quoted in Leonard Seabrooke, “The Economic Taproot of US Imperialism: The Bush Rentier Shift,” International Politics 41, no. 3 (September 2004): 293–318.
Today the “rentier shift” produces the very conditions Hobson warned of in the context of Great Britain a century ago. The growth of the rentier economy and the drive for external expansion long evident in U.S. history (and surely under both Clinton and Bush, albeit with a different policy mix) has been fed by an investor politics that has favored the very rich disproportionately in both taxation and government spending priorities. The dramatic increases in the upward redistribution of income have contributed to driving the investor class to look for opportunities abroad as the slower growth, and indeed saturation, of domestic markets pushes them to do. And this is taking place even as their increased class dominance—with trade unions and working-class power weakening, and real wages stagnating—allows them to push for a greater degree of regressive taxation and less progressive redistributive state spending.
Along Hobsonian lines, Arjay Kapur, a Citigroup strategist, argues that the rich are responsible for the low saving rate in Anglo-Saxon economies, which he describes as “plutonomies”—economies driven primarily by the wealthy as compared to the more egalitarian Japanese and European economies. In the plutonomies, above all the United States, it makes little sense to speak of the average consumer, since the top one percent of all households has 20 percent of the income, about the same as the bottom 60 percent.
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Past empires have followed the path that the United States seems to be going down, a movement from manufacturing production as the core activity to financialization and rentier income, and then finally bankruptcy from a loss of competitiveness and the cost of maintaining empire. For the elite there seems no better alternative, even if this is finally a negative-sum result. Any more positive strategy from the perspective of a democratic majority would require policies that would weaken the power of the ruling elite. It appears to this elite that it is better to continue to get rich and maintain power through the period of national decline. To the extent that this class can obtain rents from the familiar sources of state handouts, corrupt dealings, and tax policies, it stands to gain.
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http://www.monthlyreview.org/0506tabb.htm#Volume