diff --git a/src/ac/ed/lurg/country/gams/GamsDemandOptimiser.java b/src/ac/ed/lurg/country/gams/GamsDemandOptimiser.java
index d648d62217cf1a07153febef0a50f6b198a8443a..bb42fd0030d9517f47a1aabd2e3482085b5e5a80 100755
--- a/src/ac/ed/lurg/country/gams/GamsDemandOptimiser.java
+++ b/src/ac/ed/lurg/country/gams/GamsDemandOptimiser.java
@@ -73,12 +73,9 @@ public class GamsDemandOptimiser {
 			String key = rec.getKeys()[0];
 			double initialTau = rec.getValue();
 			
-			LogWriter.print(key + ", initialTau=" + initialTau);
 			CommodityType commodity = CommodityType.getForGamsName(key);
-
 			double adjusted = tauManager.getFinalTau(inputData.getYear(), initialTau, commodity);
-			LogWriter.println(", adjusted=" + adjusted);
-
+			LogWriter.println(String.format("%14s:  initialTau=%.6f, adjusted=%.6f", key, initialTau, adjusted));
 			rec.setValue(adjusted);
 		}
 	}
diff --git a/src/ac/ed/lurg/country/gams/TauCalculationManager.java b/src/ac/ed/lurg/country/gams/TauCalculationManager.java
index afe901adfbbfbf9ac19b682c624d8c16b34cb860..a56f6ef75c694c291c2ebb242667f608e6b317bf 100644
--- a/src/ac/ed/lurg/country/gams/TauCalculationManager.java
+++ b/src/ac/ed/lurg/country/gams/TauCalculationManager.java
@@ -40,7 +40,7 @@ public class TauCalculationManager {
 
 		if(year > ModelConfig.DIET_CHANGE_START_YEAR && year < ModelConfig.DIET_CHANGE_END_YEAR)
 			tau = initialTau + ((ModelConfig.DIET_CHANGE_START_YEAR - year) * (shiftTau - initialTau) / (ModelConfig.DIET_CHANGE_END_YEAR- ModelConfig.DIET_CHANGE_START_YEAR));  //  interpolation
-		else if (year > ModelConfig.DIET_CHANGE_START_YEAR && year > ModelConfig.DIET_CHANGE_END_YEAR)
+		else if (year >= ModelConfig.DIET_CHANGE_END_YEAR)
 			tau = shiftTau; 
 		else
 			tau = initialTau;