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Nationaler Wohlfahrtsindex: Pro - Echtes WohlfahrtsmaĆ
Diefenbacher, Hans, (2013)
Nationaler Wohlfahrtsindex: Contra - Pro BIP mit Beilage
PaquƩ, Karl-Heinz, (2013)
Hold your breath: A new index of air quality
Buehn, Andreas, (2012)
The use of covariance analysis as a means of analysing the price-setting policy for a company's product
Heald, G. I., (1971)
The relationship of intentions to buy consumer durables with levels of purchase
Heald, G. I., (1970)