From 1955 through 2008, the median eight-year compound annualized growth in real business fixed investment expenditures was 4.325%. In the eight years ended 2008 the compound annualized growth in real business fixed investment expenditures was 2.1%. What were long-term capital gains and top personal marginal income tax rate doing in the eight years ended 2008?

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From 1955 through 2008, the median eight-year moving average personal saving rate was 8.1%. In the eight years ending 2008, the average personal saving rate was 2.9%. What were long-term capital gains and top personal marginal income tax rates doing in the eight years ended 2008?

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