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The table below summarizes results from five different OLS regressions investigating the determinants of GDP growth using cross-sectional data from 182 countries: The dependent variable in each regression is the GDP growth rate (measured as a percentage). The various explanatory variables used across the five regressions are: Life Expectancy (Life Expec), Inflation Rate (Infl), Average Years of Schooling in the Country (Schooling), a dummy variable for whether or not the country has political freedom (Polit Free =1 if so and 0 otherwise) and interaction terms between these variables. 129 countries in the sample had political freedom