Lacunza, formerly the chief of economy for Buenos Aires
province, was scheduled to be sworn in before the local
financial markets were to open.
Macri, struggling to revive his campaign for a second term in
the Oct. 27 general election, is betting that the new treasury
chief can help stabilize the recession- and inflation-racked
The cost of insuring against an Argentine sovereign default rose
on Monday after opposition candidate Alberto Fernandez said the
country would struggle under present conditions to repay a loan
to the International Monetary Fund. Fernandez, a center-left
Peronist, is the front-runner ahead of the October vote.
Lacunza was expected to give a news conference to outline his
policy plans later Tuesday morning. Outgoing treasury minister
Nicolas Dujovne quit on Saturday, saying he believed the country
needed "significant renewal" of its economic team.
(Reporting by Hugh Bronstein; Editing by Chizu Nomiyama)
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