Invest to Save Budget: Cost Effectiveness Mr. Allen To ask the Chancellor of the Exchequer what assessment his Department has made of the value for money of the Invest to Save programme. Andy Burnham A review of the Invest to Save Budget: An Innovation Fund for Public Services was published on 24 July 2007 with a chapter on the value for money of the Invest to Save Budget (ISB) portfolio. A copy of the review can be found in the House Library.