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Homework Please go to any source of cross national data and obtain the GDP/per capita in dollars (at PPP if you have a choice.) and life expectancy at birth for any ten countries. I would check the CIA Factbook or any one of several reports from the World Bank or other source. Choose a mixture of high and low income nations. Fill in the table below. Source of Data: Nation Year: Life Expectancy - Years Per Capita GDP 1. Run a linear regular OLS regression to examine the effect that per capita GDP has on life expectancy. 2. Rug a semi-log (natural log) regression to see the effect that the natural log of per capita GDP has on life expectancy. 3. Which regression is preferable? Why? (Extra credit. Show the predicted life expectancy in number 2 when the level of GDP is $10,000 per capita.) 4. Please use the data on page 98 in Table 3.7. Please run a regression to determine the elasticity of gold prices with respect to the CPI. 5. In words, explain what the slope in number four tells you.
