input-output analysis based on one-level CES production functions -- 4.3. Introduction of technical change into the … generalized input-output model -- 4.4. The two-level CES production function in input-output analysis -- 4.5. Aggregation of the … input-output analysis -- Appendix 4.A. The CBS classification of sectors -- Appendix 4.B. Constancy of input-output ratios …