Deregulation is inconsequential at this point and real estate values have correlation with foreign exchange rates.  Supply in RE alludes to the property you want to purchase or sell. As a result, currency is in demand because of EMH in due to supply/demand. RE is simply one of the assets tied to availability of real loanable funds.  Availability of real loanable funds.  Fx rate.  Cost of goods.  The reason real estate prices are declining is because there is a decline in availability of real loanable funds. A decline in loanable funds is a result of foreign exchange rate decrease.  The market is responding to an inevitable future FX decline.