Benefit cost ratio – the ratio of a project’s benefits to costs. If the BCRBCR Benefit cost ratio - the ratio of a project's benefits to costs. If the BCR is greater that 1, the project provides an economic return on investment. If the BCR is less than 1, the project does not provide an economic return. is greater that 1, the project provides an economic return on investment. If the BCR is less than 1, the project does not provide an economic return.