saman vali. urban economics researcher, the housing problem in our country and especially in the metropolis of tehran is caused by the waste of land and housing into capital goods and has little to do with supply and demand so that it can be helped to balance it through the construction of small-scale houses. another point is that if we also build houses it is bought and hoarded by real estate traders. the proof of that is the existence of 45 thousand empty houses in tehran's 22 district. yes , we saw and heard the report of my colleague mohammad mostouri together. it was an overview of the opinions of the pros and cons of the issue that i presented to you , the construction of small-scale housing. we saw one or two points that were very prominent in the report, and i presented them to you in the introduction. the argument that if we have a shortage of housing and the high cost of housing now, the experts pointed out that the reason is the lack of land, not the housing market, as opposition to th