Hence, to include water use in this model, data for these 150 industries on water use has to be at hand. Until recently, such figures have not been available and water has been excluded from the analyses on the interactions between the Finnish economy and the environment performed by using this model (e.g., Koskela et al. In the international scientific literature, modelled data, prone to errors and inconsistencies of an unknown level, are almost exclusively used for the water-related input-output analyses (e.g., Steen-Olsen etal.