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The most susceptible buildings to this type of trading are the three-room apartments (30.8%). In second place are the two-room, with 29.2% of the total, and then four-room, with 16.9%. Lazio, Lombardy and Campania are the regions where this phenomenon is larger.
On the other side of the deal, the seller is mainly due to the need for liquidity (46.8%) and often reinvests the money obtained in the purchase of a home for his/her children. 37.8% of the sample sells just to change the house, and 8.1% do so to balance changes occurred within the family.