The aim of this paper is to present the possibility of analyzing cyclical changes in economic activity using business tendency survey data collected by Research Institute of Economic Development (RIED). The delta cumulation concept was presented. It is a new method of aggregation of business survey data, which enables building new time series with inbuilt trends. Therefore they can be decomposed on...
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.