Taka upp dollar?

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Advantages

Dollarization avoids currency and balance of payments crises. Without a domestic currency there is no possibility of a sharp depreciation, or of sudden capital outflows motivated by fears of devaluation.
A closer integration with both the global and U. S. economies would follow from lower transaction costs and an assured stability of prices in dollar terms.
By definitively rejecting the possibility of inflationary finance through dollarization, countries might also strengthen their financial institutions and create positive sentiment toward investment, both domestic and international.

Disadvantages

Countries are likely to be reluctant to abandon their own currencies, symbols of their nationhood, particularly in favor of those of other nations. As a practical matter, political resistance is nearly certain, and likely to be strong.
From an economic point of view, the right to issue a country's currency provides its government with seigniorage revenues, which show up as central bank profits and are transferred to the government. They would be lost to dollarizing countries and gained by the United States unless it agreed to share them.
A dollarizing country would relinquish any possibility of having an autonomous monetary and exchange rate policy, including the use of central bank credit to provide liquidity support to its banking system in emergencies.

sjá meira
http://www.imf.org/external/pubs/ft/issues/issues24/index.htm

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