From 73de37e7e3da05dd99f4159a54571251325c65e7 Mon Sep 17 00:00:00 2001
From: Michel Juillard <michel.juillard@mjui.fr>
Date: Thu, 27 Oct 2011 22:07:11 +0200
Subject: [PATCH] fixing bug in forecast HPD interval

---
 matlab/forcst.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/matlab/forcst.m b/matlab/forcst.m
index 7b0b25bff..5ec2592be 100644
--- a/matlab/forcst.m
+++ b/matlab/forcst.m
@@ -81,7 +81,7 @@ fact = norminv((1-options_.conf_sig)/2,0,1);
 
 int_width = zeros(horizon,M_.endo_nbr);
 for i=1:nvar
-    int_width(:,i) = fact*sqrt(var_yf(:,i));
+    int_width(:,i) = -fact*sqrt(var_yf(:,i));
 end
 
 yf = yf(ivar,:);