I don't think it would stabilized the economy of some third rate country that had slow economical growth especially on Asia and Africa were their primary sources of income are agricultural products. Whose investor wants to pay 1000 usd per employee?
It would be interesting if all the countries in the world share the same currency, now it is in the first place if it wants to grow and surpass that dollar. Building up and more interested in, I think virtual currencies such as Bitcoin or Ethereum have an excellent future, and I think that in the future these currencies will dominate the world.