The plan is for widespread private investment in ports and airports to follow.

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Investors will also worry if Mr Humala tries to unpick contracts under which private firms are upgrading ports, airports and roads.

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Another mouthwatering prospect is that of private investors underwriting the ports, power plants, roads, sewage and other infrastructure projects that Brazil so patently needs.

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Private running of roads, railways and ports has begun to cut transport costs.

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Another good sign, cargo-handling is being transferred to the private sector in a sweeping reform of ports, a union stronghold.

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The government has cautiously allowed private investment in roads, railways and ports.

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In addition to property, the conglomerate includes ports management, ground services for private jets, waste management and a 26% stake in mobile operator SmarTone.

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Though other ports may also be offered to private operators, the big battle is over Callao, the port for Lima, which handles nearly 90% of the country's container traffic.

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And to make sure taxpayers don't shoulder the whole burden, I'm also proposing a Partnership to Rebuild America that attracts private capital to upgrade what our businesses need most: modern ports to move our goods, modern pipelines to withstand a storm, modern schools worthy of our children.

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Infrastructure such as ports, roads, and airports is poor, and attempts to bring in the private sector to modernize some of it, such as with airports, have not been entirely successful.

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