*
* Simultaneous equations example starting page 312
*
open data truffles.dat
data(format=free,org=columns) 1 30 p q ps di pf
*
print
table
*
* Reduced form equations
*
linreg q
# constant ps di pf
linreg p
# constant ps di pf
*
instruments constant ps di pf
linreg(inst) q
# constant p ps di
linreg(inst) q
# constant p pf