Real disposable income is rising by a respectable 1.7% a year a big improvement on a year ago, when it was shrinking.

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Real urban disposable income grew nearly 10 percent and real rural disposable income rose more than 12 percent during the first three quarters of the year.

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At the same time, wages and salaries grew 0.4% in July, in line with headline inflation (up 0.4%) which translates, along with other variables, to a 0.1% decline in real disposable income.

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He is the only president for whom real disposable income grew at less than 1% (0.7%) and the only one who suffered a decline in the civilian work force, down an average of 690, 000 a year.

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Real disposable personal income per capita is up 1.3 percent between July 2011 and July 2012.

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Official statistics published last week showed that real household disposable income in the first three months of 2011 fell 0.8% compared with the previous three months.

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In the short term, the supply of housing is more or less fixed, so house prices are mainly driven by demand factors: namely, personal disposable income, real interest rates and the return offered by alternative investments such as equities.

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"There are real costs to not being married that take away our disposable income, " Johnson says, but she stresses that first and foremost is the argument of basic fairness.

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The real challenge here is that consumer-centric applications will always fight for a tightly squeezed share of disposable consumer income.

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