But his government's handling of this month's devaluation of the peso, and its adoption of a dual exchange rate (temporarily, it says), have added new snags.

ECONOMIST: Argentina's crisis

Take the dual exchange rate.

ECONOMIST: Eduardo Duhalde's plan carries new dangers

Like its rivals, it made no commitment to ideology or policies on important issues such as devolving power, changing the distribution of oil revenues, ending the much-criticised dual-exchange rate or speedier privatisation.

ECONOMIST: Nigeria??s long road back to democracy