**** February 18, 2013 ** Set user directory cd c:\BrazilInformal\MinasFacilVirtual\ ****************************************************** * Dataset use ReplicationDataMinasExpresso.dta, clear **** Get Means of Formalization Rates by Month and Treatment Status for Figure 2 *collapse (mean) formalized1-formalized56, by(actualtreat) **** Get Means of Taxes by Month and Treatment Status for Figure 4 * collapse (mean) tax1-tax12 tax13-tax24 tax25-tax36 tax37-tax48 tax49-tax58, by(actualtreat) *** 36 Month Matching on Data up to end 2010 cap drop pscore1 pscore actual formalized1-formalized36 população_2010, pscore(pscore1) comsup gen commonsupport1=comsup==1 gen group1=1 if actual==1 & commonsupport==1 replace group1=0 if actual==0 & commonsupport==1 label var group1 "Treatment Status for municipalities in 36 month common support" *** Take means by this for Figure 2 *collapse (mean) formalized1-formalized56, by(group1) * Nearest neighbor matches only attnd formalized56 actual, pscore(pscore1) comsup matchvar(nndefine) matchdta(nnmatches) id(municipalid) cap drop _merge sort municipalid merge municipalid using nnmatches.dta gen group2=1 if actual==1 & nndefine==1 replace group2=0 if actual==0 & nndefine==1 label var group2 "Treatment Status for Nearest neighbor matches" *** Take means by this for Figure 3 *collapse (mean) formalized1-formalized56, by(group2) *** Alternative control group - firms on initial list of 50 possibilities (planned implementation) gen group3=1 if actual==1 replace group3=0 if actual==0 & dummy_mg==1 label var group3 "Planned Implementation group" *** Take means by this for Figure 3 *collapse (mean) formalized1-formalized56, by(group3) ***** TAX MATCHING *** Matching on Data up to end 2010 cap drop pscore11 pscore actual tax1-tax12 tax13-tax24 tax25-tax36 população_2010, pscore(pscore11) comsup gen commonsupport11=comsup==1 gen group11=1 if actual==1 & commonsupport11==1 replace group11=0 if actual==0 & commonsupport11==1 label var group11 "Tax Matched Common Support" * Tax matched Nearest neighbor matches only attnd tax58 actual, pscore(pscore11) comsup matchvar(nndefine11) matchdta(nnmatches11) id(municipalid) cap drop _merge sort municipalid merge municipalid using nnmatches11.dta gen group21=1 if actual==1 & nndefine11==1 replace group21=0 if actual==0 & nndefine11==1 label var group21 "Tax matched nearest neighbors" **** take means of this for Figure 4 * collapse (mean) tax1-tax12 tax13-tax24 tax25-tax36 tax37-tax48 tax49-tax58, by(group21) **** Label Group Indicators label var group1 "Common support formalize - up to end 2010" label var group2 "Nearest neighbor formalize - up to end 2010" label var group3 "Planned implementation control group" label var group11 "Common support tax - up to end 2010" label var group21 "Nearest neighbor tax- up to end 2010" **** Table of Summary Statistics by Treatment Status egen average2008=rowmean(formalized1-formalized12) egen average2009=rowmean(formalized13-formalized24) egen average2010=rowmean(formalized25-formalized36) egen average2011toaug=rowmean(formalized37-formalized44) egen sd2008to2010=rowsd(formalized1-formalized36) egen sd2011=rowsd(formalized37-formalized44) egen atax2010=rowmean(tax25-tax36) egen atax2009=rowmean(tax13-tax24) egen atax2008=rowmean(tax1-tax12) ************ TABLE 1 #delimit cr * First Compare Treated Municipalities to All Others matrix R=[1,1,1,1,1,1] matrix colnames R="mean Control" "mean Treat" "N Control" "N Treat" "N tot" "p value" #delimit ; quietly foreach var in average2008 average2009 average2010 sd2008to2010 população_2010 average2011toaug sd2011 participation_of_industry_in_gdp gdp_per_capita_growth_2003_2008 gdppercapita atax2009 atax2010 {; ttest `var',by(actual); matrix A=[r(mu_1),r(mu_2),r(N_1) ,r(N_2),r(N_1)+r(N_2) ,r(p)]; matrix rownames A=`var'; matrix list A; matrix R=R\A; matrix list R; }; set linesize 200; matrix list R; #delimit cr * Compare Treated Municipalities to Common Support Matching matrix R=[1,1,1,1,1,1] matrix colnames R="mean Control" "mean Treat" "N Control" "N Treat" "N tot" "p value" #delimit ; quietly foreach var in average2008 average2009 average2010 sd2008to2010 população_2010 average2011toaug sd2011 participation_of_industry_in_gdp gdp_per_capita_growth_2003_2008 gdppercapita atax2009 atax2010 {; ttest `var' if group1~=.,by(group1); matrix A=[r(mu_1),r(mu_2),r(N_1) ,r(N_2),r(N_1)+r(N_2) ,r(p)]; matrix rownames A=`var'; matrix list A; matrix R=R\A; matrix list R; }; set linesize 200; matrix list R; #delimit cr * Compare Treated Municipalities to Common Support Nearest Neighbors matrix R=[1,1,1,1,1,1] matrix colnames R="mean Control" "mean Treat" "N Control" "N Treat" "N tot" "p value" #delimit ; quietly foreach var in average2008 average2009 average2010 sd2008to2010 população_2010 average2011toaug sd2011 participation_of_industry_in_gdp gdp_per_capita_growth_2003_2008 gdppercapita atax2009 atax2010 {; ttest `var' if group2~=.,by(group2); matrix A=[r(mu_1),r(mu_2),r(N_1) ,r(N_2),r(N_1)+r(N_2) ,r(p)]; matrix rownames A=`var'; matrix list A; matrix R=R\A; matrix list R; }; set linesize 200; matrix list R; #delimit cr * Compare Treated Municipalities to Planned Placements matrix R=[1,1,1,1,1,1] matrix colnames R="mean Control" "mean Treat" "N Control" "N Treat" "N tot" "p value" #delimit ; quietly foreach var in average2008 average2009 average2010 sd2008to2010 população_2010 average2011toaug sd2011 participation_of_industry_in_gdp gdp_per_capita_growth_2003_2008 gdppercapita atax2009 atax2010 {; ttest `var' if group3~=.,by(group3); matrix A=[r(mu_1),r(mu_2),r(N_1) ,r(N_2),r(N_1)+r(N_2) ,r(p)]; matrix rownames A=`var'; matrix list A; matrix R=R\A; matrix list R; }; set linesize 200; matrix list R; #delimit cr sort munic save MVdata1.dta, replace *** Reshape Data for Regressions use MVdata1.dta, clear reshape long formalized tax, i(munic) j(time) save MVdatapanel.dta, replace **** Regressions use MVdatapanel.dta, clear gen treat=0 replace treat=1 if datada=="9/19/2011" & time>=45 replace treat=1 if (datada=="10/5/2011"|datada=="10/7/2011") & time>=46 replace treat=1 if (datada=="11/16/2011"|datada=="11/30/2011") & time>=47 replace treat=1 if (datada=="12/12/2011"|datada=="12/20/2011"|datada=="12/26/2011"|datada=="12/7/2011") & time>=48 replace treat=1 if (datada=="1/19/2012"|datada=="1/23/2012"|datada=="1/24/2012") & time>=49 replace treat=1 if (datada=="2/13/2012"|datada=="2/15/2012"|datada=="2/16/2012"|datada=="2/17/2012"|datada=="2/29/2012") & time>=50 replace treat=1 if (datada=="3/15/2012"|datada=="3/20/2012") & time>=51 #delimit ; replace treat=1 if (municipalid==984649|municipalid==985191|municipalid==985111| municipalid==985371 |municipalid==985133|municipalid==984521|municipalid==985029) & time>=52; replace treat=1 if (municipalid==984555|municipalid==984171|municipalid==984145 |municipalid==984703|municipalid==985221|municipalid==984895) & time>=53; replace treat=1 if (municipalid==984637|municipalid==984675) & time>=54; #delimit cr *** Number of firms by round (for Figure 1) tab time treat egen id=group(munic) tsset id time gen lead1treat=F.treat gen lag1treat=L.treat gen lag2treat=L2.treat gen lead2treat=F2.treat for num 1/58: gen tdumX=time==X ****** TESTS OF COMMON TRENDS ASSUMPTION FOR FORMALIZATION GROUP (bottom of Table 1) * linear trend gen actualtreat_time=actualtreat*time reg formalized actualtreat actualtreat_time time if time<=44, robust cluster(id) reg formalized actualtreat actualtreat_time time if time<=44 & group1~=., robust cluster(id) reg formalized actualtreat actualtreat_time time if time<=44 & group2~=., robust cluster(id) reg formalized actualtreat actualtreat_time time if time<=44 & group3~=., robust cluster(id) * non-parametric trend for num 2/44: gen tdumX_actualtreat=tdumX*actualtreat reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44, robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group1~=., robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group2~=., robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group3~=., robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr *** Common non-parametric trend except January 2011 reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & time~=37, robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group1~=. & time~=37, robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group2~=. & time~=37, robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; #delimit cr reg formalized actualtreat tdum2_actualtreat-tdum44_actualtreat tdum2-tdum44 if time<=44 & group3~=. & time~=37, robust cluster(id) #delimit ; test tdum2_actualtreat==tdum3_actualtreat==tdum4_actualtreat==tdum5_actualtreat==tdum6_actualtreat ==tdum7_actualtreat==tdum8_actualtreat==tdum9_actualtreat==tdum10_actualtreat==tdum11_actualtreat== tdum12_actualtreat==tdum13_actualtreat==tdum14_actualtreat==tdum15_actualtreat==tdum16_actualtreat== tdum17_actualtreat==tdum18_actualtreat==tdum19_actualtreat==tdum20_actualtreat==tdum21_actualtreat== tdum22_actualtreat==tdum23_actualtreat==tdum24_actualtreat==tdum25_actualtreat==tdum26_actualtreat== tdum27_actualtreat==tdum28_actualtreat==tdum29_actualtreat==tdum30_actualtreat==tdum31_actualtreat== tdum32_actualtreat==tdum33_actualtreat==tdum34_actualtreat==tdum35_actualtreat==tdum36_actualtreat== tdum37_actualtreat==tdum38_actualtreat==tdum39_actualtreat==tdum40_actualtreat==tdum41_actualtreat== tdum42_actualtreat==tdum43_actualtreat==tdum44_actualtreat==0; *** Table 2: **** LEVELS REGRESSIONS *** Panel A: difference-in-differences regression with time dummies reg formalized actualtreat treat average2008 average2009 average2010 tdum2-tdum56, robust cluster(id) outreg2 actualtreat treat average2008 average2009 average2010 using table2c.out, replace sum formalized if actualtreat==1 & time>=33 & time<=44 reg formalized actualtreat treat average2008 average2009 average2010 tdum2-tdum56 if group1~=., robust cluster(id) outreg2 actualtreat treat average2008 average2009 average2010 using table2c.out, append reg formalized actualtreat treat average2008 average2009 average2010 tdum2-tdum56 if group2~=., robust cluster(id) outreg2 actualtreat treat average2008 average2009 average2010 using table2c.out, append reg formalized actualtreat treat average2008 average2009 average2010 tdum2-tdum56 if group3~=., robust cluster(id) outreg2 actualtreat treat average2008 average2009 average2010 using table2c.out, append ** Panel B: Fixed effects regression with time dummies xtreg formalized treat tdum2-tdum56, i(id) fe cluster(id) outreg2 actualtreat treat using table2.out, replace slow(800) xtreg formalized treat tdum2-tdum56 if group1~=., i(id) fe cluster(id) outreg2 actualtreat treat using table2.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group2~=., i(id) fe cluster(id) outreg2 actualtreat treat using table2.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group3~=., i(id) fe cluster(id) outreg2 actualtreat treat using table2.out, append slow(800) *** Robustness: September 2011 is a weird month, so let's examine robustness to it in two ways *** Panel C: First, just drop this month xtreg formalized treat tdum2-tdum56 if time~=45, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, replace slow(800) xtreg formalized treat tdum2-tdum56 if group1~=. & time~=45, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group2~=. & time~=45, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group3~=. & time~=45, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) *** Panel D: Second, drop the three municipalities that formalize in that month gen municdrop=munic==984881|munic==985091 |munic==985249 xtreg formalized treat tdum2-tdum56 if municdrop~=1, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group1~=. & municdrop~=1, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group2~=. & municdrop~=1, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) xtreg formalized treat tdum2-tdum56 if group3~=. & municdrop~=1, i(id) fe cluster(id) outreg2 actualtreat treat using table2r.out, append slow(800) ***** TABLE 3 **** time since treatment gen timetreated=time if treat==1 & lag1treat==0 egen mtimetreated=max(timetreated), by(id) gen timesince=time-mtimetreated replace timesince=0 if actualtreat==0 *** 6 months before, month of or after, 2+ months after gen immediatetreat=(timesince==0|timesince==1) & actualtreat==1 gen months2plus=timesince>=2 & timesince~=. gen sixbefore=timesince>=-6 & timesince<=-1 *** Panel A - DD reg formalized actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 tdum2-tdum56, robust cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 using table3.out, replace slow(400) reg formalized actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 tdum2-tdum56 if group1~=., robust cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 using table3.out, append slow(400) reg formalized actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 tdum2-tdum56 if group2~=., robust cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 using table3.out, append slow(400) reg formalized actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 tdum2-tdum56 if group3~=., robust cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus average2008 average2009 average2010 using table3.out, append slow(400) **** Panel B - FE xtreg formalized sixbefore immediatetreat months2plus tdum2-tdum56, i(id) fe cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus using table3.out, append slow(400) xtreg formalized sixbefore immediatetreat months2plus tdum2-tdum56 if group1~=., i(id) fe cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus using table3.out, append slow(400) xtreg formalized sixbefore immediatetreat months2plus tdum2-tdum56 if group2~=., i(id) fe cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus using table3.out, append slow(400) xtreg formalized sixbefore immediatetreat months2plus tdum2-tdum56 if group3~=., i(id) fe cluster(id) outreg2 actualtreat sixbefore immediatetreat months2plus using table3.out, append slow(400) **** Table 4: Impacts on taxes collected *** Panel A: difference-in-differences regression with time dummies reg tax actualtreat treat atax2008 atax2009 atax2010 tdum2-tdum58, robust cluster(id) outreg2 actualtreat treat atax2008 atax2009 atax2010 using table4.out, replace sum tax if actualtreat==1 & time>=33 & time<=44 reg tax actualtreat treat atax2008 atax2009 atax2010 tdum2-tdum58 if group11~=., robust cluster(id) outreg2 actualtreat treat atax2008 atax2009 atax2010 using table4.out, append reg tax actualtreat treat atax2008 atax2009 atax2010 tdum2-tdum58 if group21~=., robust cluster(id) outreg2 actualtreat treat atax2008 atax2009 atax2010 using table4.out, append reg tax actualtreat treat atax2008 atax2009 atax2010 tdum2-tdum58 if group3~=., robust cluster(id) outreg2 actualtreat treat atax2008 atax2009 atax2010 using table4.out, append ** Panel B: Fixed effects regression with time dummies xtreg tax treat tdum2-tdum58, i(id) fe cluster(id) outreg2 actualtreat treat using table4.out, append slow(800) xtreg tax treat tdum2-tdum58 if group11~=., i(id) fe cluster(id) outreg2 actualtreat treat using table4.out, append slow(800) xtreg tax treat tdum2-tdum58 if group21~=., i(id) fe cluster(id) outreg2 actualtreat treat using table4.out, append slow(800) xtreg tax treat tdum2-tdum58 if group3~=., i(id) fe cluster(id) outreg2 actualtreat treat using table4.out, append slow(800)