hong kong jan 27 reuters  hong kong private home prices among the most expensive in the world rose 33 in 2021 the 13th consecutive annual increase official data showed on thursday supported by robust demand and economic recovery december however saw the third month of declines in a row according to the data with prices down 03 as the property market consolidated after reaching a record high in september the drop compares with a revised 09 fall in november property agents said buyers turned more cautious after prices hit a new peak but they still expect prices to rise another 5 in 2022 on an improving economic environment however the financial city has seen a surge of covid19 infections this month which authorities are trying to contain by restricting activities in many service businesses that in turn could slow down the economic recovery analysts cautioned