What Effect Do Unions Have on Wages Now and Would "What Do Unions Do?" Be Surprised?

Blanchflower, D. and Bryson, A. (2007) 'What Effect Do Unions Have on Wages Now and Would "What Do Unions Do?" Be Surprised?' in James T. Bennett and Bruce E. Kaufman (eds.), What Do Unions Do?: A Twenty-Year Perspective, pp. 79-113, Transaction Publishers, New Brunswick USA and London UK