” 辅导EC395留学生程序、 写作Econometrics程序EC395 Applied EconometricsSpring 2020Individual STATA Assignment # 1In this assignment, you will use a sample dataset on democracy and a variety of health outcomes (asused in Besley and Kudamatsu, 2006) to explore the relationship between health, income anddemocracy. The assignment is due by 11PM, Friday July 3rd.I have posted ten different datasets on MyLS. You are to download and use the version of the datasetthat corresponds to the second-last digit in your student number. Each dataset contains the followingvariables:1. country a variable that identifies the country that the observation is related to2. year a variable that identifies the year that the observation is related to3. lifeexp the life expectancy at birth (in years) for a given country in a given year4. infmort infant mortality per 1000 live births for a given country in a given year5. imm_dpt percent of children aged 12-23 months that have received DPT immunization in agiven country in a given year6. imm_msl – percent of children aged 12-23 months that have received measles immunization inagiven country in a given year7. sanitation percent of population that has access to improved sanitation facilities in a givencountry in a given year8. income GDP per capita of a given country in a given year9. democstm4 a contemporaneous measure denoting the fraction of democratic years betweenthe years t – 4 and t10. region a variable that identifies the global region that a given country belongs to (eap = EastAsia and Pacific, eca = Eastern Europe and Central Asia, lac = Latin America and the Caribbean,mena = Middle East and North Africa, ssa = Sub-Saharan Africa).By the assignment deadline, you are to upload a do file, and a report that provides answers to thequestions below. The report needs to include the tables and figures that you generate. All tables andfigures should be clearly labelled and easy to read. The do file should perfectly replicate all aspects ofyour analysis, including loading the dataset. Upload your files to the dropbox folder on MyLS by 11 pmon Friday, July 3rd 辅导EC395留学生作业、 写作Econometrics作业1. Life expectancy as the dependent variable and income as the independent variable: Determinewhich of the following models describe the relationship between life expectancy and incomebest: (i) simple linear regression model, (ii) quadratic regression model, and (iii) linear-logmodel. You should use both scatterplots and regression results to support your argument. [3marks]2. Life expectancy as the dependent variable: Create a single table to include results from thefollowing regressions: [5 marks](i) Democracy since t-4 as the explanatory variable, without country fixed effects(ii) Log of income and democracy since t-4 as the explanatory variables, without countryfixed effects(iii) Log of income and democracy since t-4 as the explanatory variables, with country fixedeffects(iv) Log of income, democracy since t-4, a dummy variable for the East Asia and Pacificregion and an interaction variable between democracy since t-4 and the East Asia andPacific dummy as the explanatory variables, without country fixed effects(v) Log of income, democracy since t-4, a dummy variable for the East Asia and PacificRegion and an interaction variable between democracy since t-4 and the East Asia andPacific dummy as the explanatory variables, with country fixed effectsYou should report the number of observations and the adjusted R-squared for each of theseregressions in this table. You should also indicate which regressions include country fixed effects.Your do file should be able to construct the table in a .txt file.3. Interpret the coefficients on the variable democracy since t-4 in each of the five regressionsfrom the table in (2). Explain the changes in the coefficient that you observe from one column toanother. [5 marks]4. What is the total effect of democracy (as captured by the variable democracy since t-4 variable)on life expectancy in the East Asia and Pacific region? What is the standard error associated withthis total effect? [3 marks]5. Construct separate tables for each of the following dependent variables, that includes all fiveRegression specification that you used in (2). [2 marks](i) Infant mortality(ii) DPT immunization(iii) Measles immunization(iv) Access to improved sanitation facilities6. Do you find these results credible? That is, do you believe they represent a causal effect ofdemocracy and health outcomes? Why or why not? You are encouraged to present anyevidence that you can to support your arguments. [2 marks]如有需要，请加QQ：99515681 或邮箱：99515681@qq.com
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