Kraus, Florian; Steiner, Viktor - In: Jahrbücher für Nationalökonomie und Statistik 217 (1998) 5, pp. 550-573
Summary Duration data derived from retrospective surveys often show an abnormal concentration of responses at certain durations. This common kind of measurement error is known as “heaping” in the statistical literature. We show how heaping effects can be modelled within a maximum likelihood...