Ex ante economic evaluation was completed to provide insight into the likely performance of proposed lamb industry investments by Meat & Livestock Australia. Ex ante economic evaluation was completed to prioritise investments and guide data collection to facilitate monitoring and ex post evaluation. Economic evaluation was completed in a standard benefit cost framework (CRRDC Guidelines 2009) and a real discount rate of 7% was applied. Sensitivity analysis was completed on major assumptions driving each case study / representative benefit cost analysis (BCA). The assessment was completed by Michael Clarke.