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稿件:econometrics666@126.com
use benchmark,clear
gen ly=log(gdp_percapita)
gen t=year-1994
gen treatment_trend=treatment*t
permute post_pmc coefficient = _b[post_pmc], reps(500) seed(123) saving("simulations1.dta"): reg ly post_pmc treatment_trend cpe i.year##county_city i.year##poor_county i.year##food_county i.year##provboundary_county i.year##c.slope i.year##c.altitude i.year##c.urban_rate00 i.year##c.fiscal_gap99 i.year,absorb(county) cluster(county)
use "simulations1.dta", clear
dpplot coefficient,xline(-0.039) xtitle("PMC effect estimate") saving("PDF_PMC_dpplot.gph", replace)
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