经济学家樊纲：住房消费严重被低估，楼市早已到谷底

Group 1 - The core viewpoint is that housing consumption is a significant part of personal expenditure and may be underestimated in China due to the way it is measured [1][3] - The concept of "shadow rent" is introduced, indicating that owning a home and living in it constitutes consumption, which is not reflected in GDP calculations [3][6] - The discussion emphasizes that housing consumption impacts various industries and employment, highlighting the interconnectedness of real estate with the broader economy [6][8] Group 2 - The current state of the real estate market is questioned, with indications that it may have reached or be close to a bottom, but recovery will take time [8][10] - The distinction between "demand" and "need" is made, suggesting that actual demand is limited by purchasing power, which affects housing affordability [6][10] - The expectation is set that the real estate market will experience a prolonged period of adjustment, potentially lasting several years [10]