From f8405777635fd964a190a7bf43d886661e9d1844 Mon Sep 17 00:00:00 2001
From: Johannes Pfeifer <jpfeifer@gmx.de>
Date: Fri, 27 Dec 2024 15:19:25 +0100
Subject: [PATCH] :bug: evaluate_planner_objective.m: account for purely
forward models
Only try to compute planner welfare related to states if there are any
---
matlab/optimal_policy/evaluate_planner_objective.m | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/matlab/optimal_policy/evaluate_planner_objective.m b/matlab/optimal_policy/evaluate_planner_objective.m
index cce61b1486..23d43b282f 100644
--- a/matlab/optimal_policy/evaluate_planner_objective.m
+++ b/matlab/optimal_policy/evaluate_planner_objective.m
@@ -265,12 +265,14 @@ else
oo_.var(isnan(oo_.var)) = options_.huge_number;
Ey = oo_.mean;
- Eyhat = Ey - ys(dr.order_var(nstatic+(1:nspred)));
- Eyhatyhat = oo_.var(:);
Euu = M_.Sigma_e(:);
-
- EU = U + Uy*gy*Eyhat + 0.5*(Uyygygy*Eyhatyhat + Uyygugu*Euu);
+ EU = U + 0.5*Uyygugu*Euu;
+ if M_.maximum_endo_lag
+ Eyhat = Ey - ys(dr.order_var(nstatic+(1:nspred)));
+ Eyhatyhat = oo_.var(:);
+ EU=EU + Uy*gy*Eyhat + 0.5*Uyygygy*Eyhatyhat;
+ end
EW = EU/(1-beta);
planner_objective_value.unconditional = EW;
--
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