Suppose there is a country called Solowland whose output (Y) is produced using capital (K), labour (L) according to the following aggregate production function: 13 Y = AK^(1/4) L^(3/4) where A is Total Factor Productivity (TFP). The rate of population growth (n) is 2.5% per year (0.025). The rate of depreciation of capital is 15% per year (0.15). Total factor productivity equals 20 (A=20) and we assume there is no technical progress (growth rate of A is zero). a)Show, analytically, that the production function displays diminishing marginal product of capital and labour and constant returns to scale. Explain your answer. b)If Solowlands savings rate (s) is 20% (0.20), find its steady state capital stock per capita, income per capita, consumption per capita and investment per capita. c)Suppose there is another county, Swanland where output is also produced by a diminishing returns production function using capital, labour, and technology. In this country, population growth is just 0.5% (0.005) per year, but TFP grows at a rate of 3% per year. Show, in steady state, what will be the rate of growth of Y, K, Y/L, K/L, and Y/K for both Solowland and Swanland

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Suppose there is a country called Solowland whose output (Y) is produced using capital (K), labour (L) according to the following aggregate production function:


13 Y = AK^(1/4) L^(3/4)


where A is Total Factor Productivity (TFP). The rate of population growth (n) is 2.5% per year (0.025). The rate of depreciation of capital is 15% per year (0.15). Total factor productivity equals 20 (A=20) and we assume there is no technical progress (growth rate of A is zero).

a)Show, analytically, that the production function displays diminishing marginal product of capital and labour and constant returns to scale. Explain your answer.

b)If Solowlands savings rate (s) is 20% (0.20), find its steady state capital stock per capita, income per capita, consumption per capita and investment per capita.

c)Suppose there is another county, Swanland where output is also produced by a diminishing returns production function using capital, labour, and technology. In this country, population growth is just 0.5% (0.005) per year, but TFP grows at a rate of 3% per year. Show, in steady state, what will be the rate of growth of Y, K, Y/L, K/L, and Y/K for both Solowland and Swanland

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