The building industry is a problem child of research policy - and this applies equally to architects and planners as well as to contractors and producers. Although due its size (more than 10 % of the gross domestic product) the building economy has a significant economic importance, the level of expenditure of research is ridiculously low. The area in which things perhaps function best is the field of material research - the development of new materials and the improvement of existing ones. But here, too, there are many possibilities for innovations that could be utilised most effectively in the area of high density housing construction.
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