Henzel, Steffen; Wollmershäuser, Timo - In: Journal of Business Cycle Measurement and Analysis 2005 (2005) 3, pp. 321-352
This paper presents a new methodology for the quantification of qualitative survey data. Traditional conversion methods, such as the probability approach of Carlson and Parkin (1975) or the time-varying parameters model of Seitz (1988), require very restrictive assumptions concerning the...