The Tuesday tariff is yet another measure aimed at protecting local industry following sector-specific tax incentives (like the auto industry) and a more aggressive intervention policy to maintain the foreign exchange rate between the U.S. dollar and the Brazilian real at weak levels.
Can U.S. government intervention limit the policy risk imposed on U.S. firms by foreign governments?
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The big question, to me, is: Can U.S. government intervention limit the policy risk imposed on U.S. firms by foreign governments?
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Should clusters be allowed to form spontaneously, which is what has usually occurred, or should there be some sort of policy intervention?
We could be seeing a decoupling of US and European markets, or investors could be counting on major policy intervention from European officials.
If there is a policy intervention capable of vaulting U.S. GDP growth to a higher level, it is in the hands of the administration and Congress.
Our results suggest some leverage points for policy intervention.
Only in this way it is possible to decide any policy intervention based on a broad and systemic perspective, even if this had to entail ring-fencing (see Barba Navaretti et al. 2009).
But unsterilised intervention is only monetary policy by another name, not an extra policy tool.
Mr. Lindsay suggested that, going forward, monetary policy and intervention by the Federal Reserve would likely have little effect.
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Billions of dollars in global health and environmental policy and intervention investments depend on a strong data-driven foundation to be successful.
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The obvious policy response is intervention to cap the sterling rate, build up foreign-exchange reserves, and offset the monetary effects by issuing sterling debt.
He has a weighty team of foreign-policy advisers, but his likely secretary of state, Colin Powell, seems to favour a strict policy limiting military intervention abroad.
Experts have settled on a policy of limiting intervention, but providing some support, especially in times of hardship -- which has helped to bring people a little closer to these ghosts of the desert.
In the midst of all of this there are signals, for example in his inaugural speech, that President Barack Obama intends to continue with a policy of non-intervention.
The policy there is massive intervention to force-feed credit markets and then a selective pull-back (as lately was with housing in some markets) lest the pump be primed too well.
His lectures, and eight books, expressed a deep hostility to government intervention in the market, a policy favoured by followers of John Maynard Keynes, an English economist who was especially influential in the 1930s and 1940s.
The tone of the white paper has been softened following intervention by the prime minister's policy unit.
Mr Ramos from Goldman Sachs said the elevated inflation figures and lacklustre growth rates were the symptoms of a policy mix based on government intervention.
Indeed, studies have shown that even when emerging-market economies say they are floating (as Malaysia, for example, used to), they tend to rely more heavily than the industrial countries do on interest-rate policy and foreign-exchange market intervention to limit actual movements in the exchange rate.
Yet he conceded at the weekend meeting that political intervention in the euro's exchange-rate policy should happen only rarely.
One thing, generally accepted, is that the Bank of England Monetary Policy Committee's next interest rate intervention will be to lower them, as part of a worldwide move to lower rates.
Critics say mandatory intervention can only work if backed by a rigorous prevention policy and could easily be a pretext for cleaning up the streets.
They highlight only one big policy element that could easily be replicated elsewhere: early and energetic intervention for struggling pupils.
Last week, South Africa's President Jacob Zuma - whose government initially backed Nato intervention, but then denounced it - echoed a similar view in a foreign policy speech.
Even before Mr Luff's intervention, the government had been fending off accusations that its controversial National Planning Policy Framework was tantamount to what critics called "a developers' charter".
And he has a decent foreign-policy record, from taking France back into NATO's military structure to his intervention in the 2008 Russian-Georgian war and his joint leadership of the campaign against Libya.
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The BBC's Mark Urban said the Libyan intervention fitted well with Mr Cameron's campaign pledge to restore greater independence to Britain's foreign policy.
The fact that Russians themselves want nothing to do with an armed intervention in Syria might be inconvenient or objectionable, but this is something that advocates of a more activist policy need to at least acknowledge.
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