open data6-5
# create logs of the variable we need
logs HARVEST HOUSTART INDPROD PRODPRIC
# estimate log-log model
ols l_HARVEST 0 l_HOUSTART l_INDPROD l_PRODPRIC
# t-tests for elasticities equal to 1
genr t1 = abs($coeff(l_HOUSTART)-1)/$stderr(l_HOUSTART)
pvalue t $df t1
genr t2 = abs($coeff(l_INDPROD)-1)/$stderr(l_INDPROD)
pvalue t $df t2
genr t3 = abs($coeff(l_PRODPRIC)-1)/$stderr(l_PRODPRIC)
pvalue t $df t3