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Bài tập trong sách môn kinh tế tài chính của đại học kinh tế tp
Typology: Schemes and Mind Maps
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Danh sách nhóm Họ và tên Phạm Thương Trà Nguyễn Thảo My Trần Khánh Trâm Trần Khánh Vy Giảng viên : Nguyễn Hữu Huân ADVANCED ECONOMETRIC COURSE PART I: BASIC ECONOMETRIC MODELS STATA/EVIEWS PROBLEM SET 1 An Empirical Investigation of the Determinants of Economic Growth In this problem set, you explore the determinants of economic growth using the cross- country data set (growthdata.dta). Table 1 defines the variables used in this problem set follows the questions.
test tradeshr school
k) Explain why the coefficient on school60 and its standard error are so different in regressions (1) and (2). Trả lời: Sự khác biệt về độ lệch chuẩn hoặc đơn vị đo khiến việc đưa các biến độc lập vào cùng một phép so sánh là hoàn toàn không chính xác, do lúc này các biến không cùng nằm trong một hệ quy chiếu. l) Using regression (3), estimate the difference in growth rates between a country with 4 years of school and 8 years of school in 1960, holding constant the other variables in regression (3). Also compute a 95% confidence interval for this difference. Trả lời:Tốc độ tăng trư ởng giữa một quốc gia với 4 năm học và 8 năm học 1960 chúng ta có thể so sánh về số năm đi học bình quân tốc dộ tăng trưởng quốc gia tăng theo trình độ học vấn Table 1: Definitions of Selected Variables in growthdata.dta Variable Definition growth Average annual percentage growth of real (i.e. inflation-adjusted) per capita (i.e. divided by population) Gross Domestic Product (GDP) from 1960 to 1995. tradeshr The average share of trade in the economy from 1960 to 1995, measured as the sum of exports plus imports, divided by GDP; that is, the average value of ( X + M )/ GDP from 1960 to 1995, where X = exports and M = imports (both X and M are positive). school60 Average years of schooling in total population in 1960. capstock60 Capital stock, in thousands of US$, per capita, in 1960 (the capital stock is the value of all fixed structures and machines). revc Average annual number of revolutions, insurrections (successful or not) and coup d’etats in that country from 1960 to 1995.
civil Index of civil liberties, on a scale of 1 (most civil liberties) to 10 (none). oil = 1 if oil accounted for at least half of exports in 1960. = 0 otherwise. Table 2: Growth Regression Results Dependent variable: Growth Regressor (1) (2) (3) tradeshare (^) 1.897823 1.818513 1. school60 (^) 0.2429753 0.0513033 0. capstock60 (^) -0.1365592 -0. revc (^) -1. civil (^) -0. Intercept (^) -0.12222363 -0.3283159 1. F-statistics testing the hypothesis that the population coefficients on the indicated regressors are all zero: tradeshare , school60 (^) 1.898 0.936 0. tradeshare , school60, capstock
revc , civil (^) -0. Regression summary statistics 0.133 0.184 0. 2 R 0.161^ 0.223^ 0. Regression RMSE (^) 174.432 161.533 144. n (^) 64 64 63