xtreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban d82-d87 lprbarr lpolpc, fe
est store fixed
xtreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban d82-d87 lprbarr lpolpc, re
est store random
xtreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban lprbarr lpolpc, be
xtivreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban d82-d87 (lprbarr lpolpc = ltaxpc lmix), fe
est store ivfixed
xtivreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban d82-d87 (lprbarr lpolpc = ltaxpc lmix), re
est store ivrand
xtivreg lcrmrte ldensity lprbcon lprbpris lavgsen lwcon-lwloc lpctymle lpctmin west central urban d82-d87 (lprbarr lpolpc = ltaxpc lmix), ec2sls
est store ivrandb
hausman fixed random
hausman ivfixed ivrand
hausman ivfixed ivrandb