Valuation biases, error measures, and the conglomerate discount / Ingolf Dittmann and Ernst MaugMeasurement error in family background variables : the bias in the intergenerational transmission of status, cultural consumption, party preference, and religiosity / Jannes de VriesProbability, random processes, and ergodic properties / Robert M. GrayUnbiased measurement of health-related quality-of-life / Bellinda Louise KingUnbiased measurement of health-related quality-of-life / Bellinda Louise King