/*
Analyzing Two-Way Effects
*/
use gpe2;
@ output file = lpt1 reset; @

load c[5,7] = tsinghua\cost.txt;
load q[5,7] = tsinghua\output.txt;

/* panel definition */
n=6;  @ 6 cross sections @
t=4;  @ 4 time periods @

@ log-transformed data series @
y = ln(c[2:5,2:7]); 
x = ln(q[2:5,2:7]); 

@ stacked data series, by firms @
ys = vec(y); 
xs = vec(x);

call reset;
_names = {"ln(c)","ln(q)"};
call panel2(ys,xs,n,t);

end;

#include gpe\panel2.gpe;