On the eve of the 07/08 crisis, China's growth model was increasingly reliant on surplus exports to the rest of the world
the level reached 10% of GDP! This is an *incredibly* large number for a major economy
But the crisis changed all of that: the world (esp U.S. households) was no longer as willing to borrow and buy Chinese surplus.
We can see this in the remarkable and relatively quick contraction of +7% of GDP in China's external account
This contraction would have lead to a serious slowdown in Chinese growth - so obviously the policy makers had to act
China had a number of options - but the one they leaned very heavily on was to encourage creation of domestic private credit to boost demand
Domestic credit as share of GDP rose by over 80% since 2008 - a record!
It's always politically easier to follow this strategy, but history tells us that it doesn't end well
Here is the typical response of GDP to domestic credit booms that primarily finance household and property sector - growth significantly slows down academic.oup.com/qje/article/13…
The fundamental unaddressed problem is one of imbalance in the Chinese domestic economy - read @michaelxpettis and @M_C_Klein terrific book.
So what's ahead for China?
The concern is not a "financial crisis" necessarily - the government has multiple tools to avoid that sort of stuff.
But the real challenge is avoiding a growth slowdown.
Will the economy be able to find alternative sources of domestic demand?
Will the government be able to compensate for potential precautionary cutbacks in spending by Chinese households who face these property troubles?
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Afghanistan is experiencing the mother of all "sudden stops"
i.e. economic collapse resulting from a sudden stop of foreign money that was financing a large trade deficit
Afghanistan was financing a trade deficit of ~ 25% of GDP
How large is 25%? It is about 3 times as large as the largest sudden stops in recent history such as east asia, southern europe, mexico etc.
And it gets even worse
~9B$ of their reserves have also been frozen, and there's no other credit line
So what happens when there's a sudden stop?
in the absence of foreign money, the only way left for the economy to balance its imports is to contract, i.e. GDP falls so demand falls, so imports fall
We all know what it is at a personal level: I get 100$ check and might save 20$ out of it
But what is savings in the aggregate? Say for the world as a whole?
That's where it gets tricky.
e.g. people talk about a "global saving glut". But can we measure it?
Not really - at least not in a direct sense
The reason is that when a person (say Adam) "saves", someone else (say Eve) uses that saving, i.e. "dissaves", by borrowing it and spending it for one purpose or another
So, aggregate total saving is always exactly zero!
Now you might say, that according to the world bank worldwide saving is about 25% of GDP historically.
Some broad takeaways for development from 20 years of Afghan economic experience
The Afghan economy stalled in 2012 after foreign aid started receding from a high of about 50% of GDP.
The big injection of foreign money did not translate into sustainable growth. Why?
Because foreign money artificially raised domestic spending power - artificial in the sense that it was not associated with increased domestic productivity
We can see this in Afghan trade statistics. Imports rise three-fold, while exports are stagnant.
There was a temporary spending boom, that vanished when foreign flows dried up.
The spending boom is actually harmful when it is artificial, because it hurts exports via real exchange rate appreciation and other misallocations
The answer matters, because spending that is "infrastructure" should be seen as an "investment", i.e. spending that expands the overall size of the economy in the future -
and hence infrastructure spending should be prioritized
So is child care infrastructure?
We live in a knowledge based economy where required skills are constantly changing - prolonged periods away from one's profession naturally lowers their productive capacity
So making it easier for people, esp women, to stay connected to their profession helps us all - we will not lose valuable talent
The other side of child care is the child of course