Dear Gamsworld members

Sorry for cross posting.

I am facing a problem in summing up two parameters.

I want to calculate F0 as in the code bellow.

However, it seems difficult to sum up activities and commodities, even if they have the same dimension.

Thanks in advance

Gomez

Set a activities /a1, a2, a3 /

c commodities /c1,c2,c3/

f factors /f1,f2/

;

alias

(a,aa), (c,cc), (f,ff);

table xa(f,a) factor endowment

a1 a2 a3

f1 4 5 3

f2 6 1 4

;

parameter rt0(c) /c1 10

c2 16

c3 11/

;

parameter

F0(f,a) the h-th factor input by the j-th firm

FK(f)

;

F0(f,aa) =xa(f,aa)-xa(f,aa)/sum(ff, xa(ff,aa))*rt0(c);

FK(f) =sum(a, F0(f,a));

display f0, fk;

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