If you have not yet read Part 1: Is China’s “Black Box” Economy About to Come Apart? available free to all readers, please click here to read it first.

In Part 1, we looked at the factors that render China’s economy a black box: the inputs and outputs are visible, but the internal workings are often opaque. Though there is an abundance of data on China’s housing market, it too is opaque in critical ways.

Let’s dig into what makes China’s housing bubble so risky.

Chinese Household Wealth Is Mostly In Housing

The percentage of household assets in real estate varies from source to source, but however it’s sliced, China’s household wealth is extraordinarily concentrated in housing.

This means any reduction in housing values will have an outsized impact on household wealth and the perception of wealth, i.e. the wealth effect: people who own assets that are rising feel wealthier and tend to spend more freely as a result. Those with assets that are declining in value tend to feel poorer, even if their day-to-day life in unaffected by the drop in wealth. This is the negative wealth effect.

While middle-class households’ wealth is in their primary residence, upper-middle class households tend to put the family wealth in additional homes as investment properties. Anecdotally, it is not uncommon for middle-aged people with secure employment to own three flats: one for their residence and two as nest eggs. The practice of buying third homes was subject to restrictions a few years ago, but the resulting drop in housing demand scared authorities into…