The National Development and Regulatory Commission is drawing up a plan to stimulate domestic consumption and inject some 300-400 billion CNY into the local stock market, the Economic Observer reported. The newspaper, citing a source at the state planning agency, said the total size of the spending package has not yet been determined. But it said that the items being studied include raising the threshold for the payment of income tax, boosting housing subsidies and offering other direct subsidies to people with low income levels.