Вы планируете комментировать ссылку, которую я привела?Почитайте еще о мировом практическом (увы, не теоретическом) опыте в части real estate bubble или what causes a housing bubble.These bubbles are caused by a variety of factors including economic prosperity, LOW INTEREST RATES, better mortgage product offerings, and easy to access credit. Forces that make a housing bubble pop include a downturn in the economy, a rise in interest rates, as well as a drop in demand.