Attema, Arthur and Brouwer, Werner (2012): Deriving time discounting correction factors for TTO tariffs. Unpublished.
Attema, Arthur and Brouwer, Werner (2012): In search of a preferred preference elicitation method: A test of the internal consistency of choice and matching tasks. Unpublished.
Attema, Arthur; Brouwer, Werner and van Exel, J (2012): Your right arm for a publication in AER? Unpublished.
