xtset country year, delta(5) xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immtotal, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg imm5incr, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immmale, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immfem, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immlem, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immmem, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immhem, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immlef, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immmef, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immhef, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immlowtotal, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immmedtotal, robust re xtreg flfptotavg gdppc gdpgrowth openavg finavg femparavg immhightotal, robust re gen loggdppc =log(gdppc) xtreg flfptotavg loggdppc openavg finavg femparavg immtotal, robust re xtreg flfptotavg loggdppc openavg finavg femparavg imm5incr, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immmale, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immfem, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immlem, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immmem, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immhem, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immlef, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immmef, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immhef, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immlowtotal, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immmedtotal, robust re xtreg flfptotavg loggdppc openavg finavg femparavg immhightotal, robust re