00496nam a2200121Ia 450000500170000008000180001710000220003524501040005726000250016130000140018652001560020058300180035620260716043418.0  a11.03.01 V433  aVelasco, Andrés  aExchange rate policies for developing countries : What have we learned?  What do we still not know?  bUNaNew YorkUSc2000  aix, 17 p.  aArgues that, while currency boards or even dollarization may be justified in some extreme cases, they are not appropriate for all developing countries.  c3/7/01kJOY_D