Economics Paper 10 Pages(Due In 24 Hours)

*1 eststo control: estpost sum newreg contact busy age female vote98 vote00 vote02 if contact==0 eststo treatment: estpost sum newreg contact busy age female vote98 vote00 vote02 if contact==1 eststo difference: estpost ttest newreg contact busy age female vote98 vote00 vote02, by (contact)unequal esttab control treatment difference using "HW2.csv", cells("mean(pattern(1 1 0) fmt(3))sd(pattern(1 1 0) fmt(3)) b(star pattern(0 0 1) fmt (3))p(pattern(0 0 1) fmt(4))") title("HW2.csv")label replace plain *2 * no, Table 1 does not suggest that the control group will provide a good counter factual for the treatment group's voting potential outcomes. almost every part are different except female. *3 *the different group in homework1 are more similar, hm2 does not. as we know, old people are much more likely to answer the phone. *4 reg vote02 contact outreg2 using "reg_2.numbers", replace nonote se label bdec(3) tab contact, summarize(vote02) reg vote02 contact newreg outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg age outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg age female outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg age female vote98 outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg age female vote98 vote00 outreg2 using "reg_2.numbers", append nonote se label bdec(3) reg vote02 contact newreg age female vote98 vote00 state outreg2 using "reg_2.numbers", append nonote se label bdec(3) *5 *adding covariates reduces bias and increase precision, the relationship between the covariates and the outcome are mostly positive. *6 *hw1 has not very significant effect unlike the hm2. The tables are different for the treatment and control groups are different. in hm1, standard errors remain the same as adding the covariates. in hm2 when the covariates were added, the standard errors for contact decreased. *7 *yes, adding covariates to the regression as in question 4 reduce the bias, the upward bias of contact was cancel when the variables were added. one of the most is the age for it has most different means. *8 *no, the regression does not eliminate all the bias. he treatment and control groups have a very different means.