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Income Dynamics, Economic Rents and the Financialization of the ...

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Using National <strong>Income</strong> <strong>and</strong> Product Account data, Figures 1-2 extend <strong>the</strong>se time series to<br />

<strong>the</strong> present. 6 Figure 1 shows that <strong>the</strong> rise <strong>of</strong> <strong>the</strong> Finance Sector as a proportion <strong>of</strong> GDP reported<br />

by Krippner (2005) continued after 2001. 7 By 2007 this sector accounted for almost a quarter <strong>of</strong><br />

all income in <strong>the</strong> US economy. The relative decline <strong>of</strong> manufacturing continued as well.<br />

--Figure 1 about here--<br />

Following Krippner (fc) we report two measures <strong>of</strong> pr<strong>of</strong>its. The first we label pre-tax<br />

pr<strong>of</strong>its, this subtracts depreciation allowances from real net income. This exclusion is an ac-<br />

counting practice that recognizes that productive assets wear out. But it is also a policy lever that<br />

exempts some corporate pr<strong>of</strong>it from taxation, presumably in order to encourage capital invest-<br />

ment. Depreciation allowances change over time <strong>and</strong>, to some extent, vary by industry as Con-<br />

gress has attempted to encourage capital investment in specific industries (e.g. oil <strong>and</strong> gas explo-<br />

ration). Thus depreciation is an accounting practice that allows corporations to not count some <strong>of</strong><br />

6 The National <strong>Income</strong> <strong>and</strong> Product Accounts are produced by <strong>the</strong> US Bureau <strong>of</strong> <strong>Economic</strong><br />

Analysis <strong>and</strong> are <strong>the</strong> primary source <strong>of</strong> data used to estimate <strong>the</strong> Gross National Product <strong>of</strong> <strong>the</strong><br />

United States. These data are primarily derived from income tax returns aggregated to <strong>the</strong> indus-<br />

try level <strong>and</strong> so are more accurate than conventional survey data. See Appendix A for concor-<br />

dance we use to harmonize St<strong>and</strong>ard, North American, <strong>and</strong> Census Bureau Industrial Classifica-<br />

tions across time.<br />

7 Throughout this paper we display time series as ratios <strong>of</strong> national income. This mirrors our<br />

<strong>the</strong>oretical account <strong>of</strong> income rents developed in <strong>the</strong> next section, which treats income dynamics<br />

from a relational ra<strong>the</strong>r than absolute perspective. In addition, focusing on ratios simplifies com-<br />

parisons across time because <strong>the</strong>y control for dynamics associated with inflation, growth <strong>and</strong> to<br />

some extent <strong>the</strong> business cycle.<br />

8

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