generate rtbill=tbill/cpi
generate rtbond=tbond/cpi
generate rsp500=sp500/cpi
generate tbill1=d.tbill/l.tbill
generate tbond1=d.tbond/l.tbond
generate sp5001=d.sp500/l.sp500
generate rtbill1=d.rtbill/l.rtbill
generate rtbond1=d.rtbond/l.rtbond
generate rsp5001=d.rsp500/l.rsp500
generate cpi1=d.cpi/l.cpi
generate gdp1=d.gdp/l.gdp
generate inv1=d.inv/l.inv