Commit 13a30a0a authored by Marco Ratto's avatar Marco Ratto Committed by Stéphane Adjemian (Charybdis)

add a new case for ratios between endogenous variables, like trade balance to GDP.

parent b3bcd2c8
......@@ -14,6 +14,7 @@ function [ya, yass, gya, gyass] = quarterly2annual(y,yss,GYTREND0,type,islog,aux
% 5 annual price as quantity weighted average
% 6 annual quantity from average price
% 7 annual nominal from Q real and deflator
% 8 annual ratio [e.g. trade balance to GDP]
% islog 0 level (default)
% 1 log-level
% 2 growth rate Q frequency
......@@ -120,6 +121,19 @@ switch type
yn = (y+yss).*(yaux+yauxss) - yss.*yauxss;
[ya, yass] = quarterly2annual(yn,yss.*yauxss,GYTREND0+GYTREND0aux,typeaux,0,0);
GYTREND0=GYTREND0+GYTREND0aux;
case 8
% numerator
yn = y;
[yna, ynass] = quarterly2annual(yn,yss,GYTREND0,typeaux(1),0,0);
% denominator
yd = yaux;
[yda, ydass] = quarterly2annual(yd,yauxss,GYTREND0aux,typeaux(2),0,0);
% ratio
yass = ynass/ydass;
ya = (yna+ynass)./(yda+ydass)-yass;
GYTREND0 = GYTREND0 - GYTREND0aux;
otherwise
error('Wrong type input')
end
......
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