The production process of a particular company displays constant returns to scale. Then, if such company doubles all the inputs, the output a. doubles as well. b. more than double. remains unchanged. с. d. triples. QUESTION 10 Y -T- C. in a closed economy, represents a. national saving b. private saving public saving с. d. government tax revenue a

2. It is 1960. China's economy is in its steady state. It is predicted that the Chinese population will expand multi-fold over the next few decades. As an expert in economic growth, you have been called in to provide predictions about the economic effect of such population growth. a. Using the Solow diagram below, illustrate the effect on an increase in population growth on the post-1950 Chinese economy. у, і, б ہے k* Output Investment k Dep + Pop growth b. Explain (briefly) why this policy made sense to the government in 1960.

15. A Solow economy has production function $Y = K^{2/2}(AL )^{2/2}$. The savings rate is 30 percent. Depreciation is 1 percent. The labour force grows at 3 percent per year. Labour augmenting technological progress occurs at 1 percent per year. a. Provide a labelled diagram showing the Steady state equilibrium. b. Steady state GOP per effective worker grows at a rare of percent per year. c. Steady state GOP per worker grows at a rate of percent per year. d. Steady state GOP grows at a rate of percent per year. e. Show the Golden Rule equitibrium on your diagram. show all rough calculation

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Depreciation a. does not change the amount of capital in the economy. b. is the decrease in the capital stock because of wear and tear. c. is also known as capital consumption. d. Both answers is the decrease in the capital stock because of wear and tear and is also known as capital consumption are correct.

5. Foreign aid: Consider a Solow economy that begins with a capital stock equal to $300 billion, and suppose its steady-state level of capital is $500 billion. To its pleasant surprise, the economy receives a generous gift of foreign aid in the form of $100 billion worth of capital (electric power plants, machine tools, etc.). (a) Use the Solow diagram, other graphs, and the mathematics of the Solow model to explain what happens to the economy, both immediately and over ads time. By what proportion does consumption per person initially increase? What happens to consumption in the long run? (b) Suppose instead of starting below its steady state, the economy begins in steady state, with a capital stock equal to $500 billion. Answer part (a) for this case. (c) Summarize what this exercise teaches you about the possible consequences of foreign aid. In this example, does foreign aid exert a long-run effect on the welfare of poor countries? What is the benefit of foreign aid?

Which method allows us to find the steady state in a Solow economy? By ... a. Removing the time subscripts of all variables b. Setting investment equal to depreciation c. Setting the growth rate of capital equal to zero d. Setting the change in capital equal to zero e. All of the above

Most of the poor countries experience slow growth because of all the following reasons except O A. the government's failure to enforce the rule of law. B. low rates of saving and investment. C. frequent civil disturbances such as wars and revolutions. D. excellent public health and education. The unemployment rate A. typically rises during a recession and falls immediately after the recession has ended. B. typically falls during a recession and rises after the recession has ended. C. typically falls during a recession and after the recession has ended. D. typically rises during a recession and after the recession has ended.