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7. Suppose a countrys economy can be represented by the following Cobb-Douglas production function for per capita output: y -k where a -1/3. The depreciation and investment rates are respectively δ-5% and γ-26.21%. Suppose that capital per worker at period 0 is ko-12 What is the percent change in the level of income per worker between period 0 and period 1? (b) Increases by 5.4% (c) Decreases by 2.4% (d) Increases by 7.4% (e) Increases by 1.7%

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