Consider the following table of regression output. The dependent variable is In GDP per capita. The explanatory variables are the urbanization rate in 1500 and an indicator for being a country that was colonized. | (1) (2) Urbanization rate in 1500 0.001 0.068 (0.019) (0.023) Indicator for being a former colony -0.536 0.519 (0.191) (0.300) (Urbanization rate in 1500) X (Indicator -0.146 for being a former colony) (0.034) R2 0.092 0.262 Number of observations 84 84 Here are some summary statistics to help interpret the regression results: Mean St. Dev. Min In GDP per capita, 1995 Urbanization rate in 1500 Indicator for being a former colony 8.73 0.89 6.88 10.22 7.32 5.14 28 0.49 0.50 1 a) Interpret the coefficients in model (1). b) Interpret the coefficients in model (2).