“…The Linz data set originates from surveys of four Austrian cities designed to investigate, at the household level, the appropriateness of weights used in constructing national price data for Austria. The data set has been used by researchers at the University of Linz for empirical studies of demand systems (Buchegger and Poll, 1977) and of individual demand functions (Poll, 1978) paying particular attention to income elasticities. The Chamber of Labour obtained the data by hiring (employed) households to itemize and report their income and expenditure flows on a monthly basis, with households remaining in the survey for as long as they wished over the 26-year period from 1950 to 1975."…”