Trimmed mean: The trimmed mean procedure estimate price change of each commodities, arrange them in increasing order, calculate cumulative weight of the series and cut the commodities for which cumulative weight is less than 8 per cent or greater than 92 per cent.
However, six years after house prices first began to fall, the pace of the economic recovery remains slow. Nationally, house prices have fallen by nearly one-third since their peak in the first quarter of 2006, and total homeowners’ equity in the United States has shrunk by more than one-half – a loss of more than $ trillion.