I used to teach (even this morning, 8/20/2015) that a devaluation was a good way for countries to increase their exports and get out of debt...
I guess it is still true, however... (a big one)...
Our supply chains are now so interconnected that depend on a group of currencies. Only a portion of any good is made in one country. Much of many products is simply transportation.
In this line, a new study from the World Bank concludes:
"Intuitively, as countries are
more integrated in global production processes, a currency
depreciation only improves the competitiveness of a fraction
of the value of final goods exports. "
The authors claim that depreciations are only 1/2 as effective as they were 20 years ago.
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