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The last element is a sudden escape of money by foreign companies.
It occurred mainly in developing countries.
If a company has a strict shortage of money, it must face the crisis of bankruptcy.
We can say same to a country.
For example, Hungary, Latvia or Iceland is suffering from the shortage of money.
In 1997, there was Asian currency crisis, which hit Thailand, Indonesia, Korea, and so on.
We can see the same phenomenon in this world depression.