*set mem 15m
*use PVS.dta, clear

/*************************************
*Tabelle 2
**************************************
* Modell 1 - BIP
*************************************/

stcox  ef PolarizationFe efdom6090 lnpop durable oil democracy lncgdp efgdp polgdp domgdp, ///
 strata(sumfail) cluster(NAMES_STD) efron robust nolog noshow texp(ln(_t)) tvc(lnpop lncgdp)

/***********************
* Modell 2 - Wachstum
***********************/

stcox ef PolarizationFe efdom6090 lnpop durable oil democracy growth efgr polgr domgr, /// 
strata(sumfail) cluster(NAMES_STD) efron robust nolog noshow texp(ln(_t)) tvc(efdom6090 durable)

/*************************************
* Tabelle 3
**************************************
* Modell 1 - Offenheit
*************************************/

stcox ef PolarizationFe  efdom6090 lnpop durable oil democracy lnopenc eflntrade pollntrade domlntrade, /// 
strata(sumfail) cluster(NAMES_STD) efron robust nolog noshow texp(ln(_t)) tvc(lnpop lnopenc)

/*************************************
* Modell 2 - Öffnung
*************************************/

stcox ef PolarizationFe  efdom6090 lnpop durable oil democracy chTRADE efchTr domchTr polchTr, /// 
strata(sumfail) cluster(NAMES_STD) efron robust nolog noshow texp(ln(_t)) tvc(efdom6090)