On high earners by the supply of commercial housing market; for middle-income earners, supply of public housing, government public housing development and construction enterprises to sub loan guarantees and interest subsidies preferential support and regulation public housing construction standards and cost; of low income, low standard of low-cost rental housing, rent not sell, rent more than family income by more than 25% of the part of the mountain of government subsidies.
6.1.2 housing finance support.
The Federal National Mortgage Association, the National Mortgage Association, and the Federal Housing Mortgage Association provide home