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#1 19-04-2018 09:17:33

liyao12345
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Date d'inscription: 14-03-2018
Messages: 33

The Cassini observations also revealed

WASHINGTON air jordan 13 altitude 2017 , June 27 (Xinhua) -- The International Monetary Fund (IMF) on Tuesday downgraded its growth forecasts for the U.S. economy in 2017 and 2018, citing significant policy uncertainties.


While the Donald Trump administration proposed reduction of fiscal deficit and debt, reprioritization of public spending and revamp of the tax system, "it became evident that many details about these plans are still undecided air jordan 13 altitude green ," the IMF said in a statement after concluding the Article IV consultations with U.S. authorities, an annual check-up of economic and financial policies between the IMF and its member countries.


Given these significant policy uncertainties, the IMF decided to remove the assumed fiscal stimulus from its forecasts for the U.S. economy earlier this year and base its new projections on unchanged policies.


"Specifically, it neither builds in the effect of tax reform nor the expenditure reductions proposed in the administration's budget air jordan 13 altitude ," the IMF said, expecting the U.S. economy to grow 2.1 percent both in 2017 and 2018, down 0.2 and 0.4 percentage points respectively from its previous forecasts in April.


However, significant policy uncertainties imply "larger-than-usual jordan 13s altitude , two-sided risks" to the forecasts, the IMF said.


On the one hand, a medium-term path of fiscal consolidation would result in a growth rate that is below this baseline. On the other hand, spending reductions could be less ambitious and tax reforms could lower federal revenues jordan 13 retro altitude , providing stimulus to the economy, and raising its near-term growth.


However, the IMF believed the Trump administration is unlikely to accelerate annual U.S. economic growth to sustained 3 percent from 1.6 percent last year, "even with an ideal constellation of pro-growth policies."


"The international experience and U.S. history would suggest that a sustained acceleration in annual growth of more than one percentage points jordan 13 altitude pre order , as projected by the administration, is unlikely," the IMF said.


The IMF also said the Federal Reserve should continue gradually raising interest rates, as the central bank has largely achieved its dual mandate of price stability and maximum employment.


"Alongside the ongoing normalization in policy rates jordan 13 altitude for sale , it is appropriate that the Federal Reserve looks to unwind the post-crisis increase in its holdings of treasury and mortgage backed securities," the IMF said, noting continued clear communication would help the central bank smoothly shrink its balance sheet and avoid undue market volatility.


Earlier this month, the Fed raised the benchmark interest rates for the fourth time since December 2015 and unveiled a plan to trim its balance sheet later this year.


Xi: "One country jordan 13 altitude 2017 , two systems" the best arrangement for HK


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NEW YORK, Sept. 19 (Xinhua) -- Oil prices increased on Monday as investors raised expectation for a market support deal from OPEC (Organization of the Petroleum Exporting Countries).


Oil prices were supported as Venezuela's President Nicolas Maduro said on Sunday that OPEC and non-OPEC countries were close to reaching a deal to stabilize oil markets.


Venezuela's Oil Minister Eulogio Del Pino said on Monday that global oil supply needs to decrease by a tenth to match consumption.


OPEC members and Russia are scheduled to meet on the sidelines of the International Energy Forum in Algeria from Sept. 26 to 28.


Oil prices were also bolstered as a weaker U.S. dollar lifted investor sentiment, which made the dollar-dominated oil more attractive for holders of other currencies.


The dollar index, which measures the greenback against six major currencies, was down 0.26 percent at 95.859 in late trading on Friday.


The West Texas Intermediate for October delivery added 0.27 U.S. dollars to settle at 43.30 U.S. dollars a barrel on the New York Mercantile Exchange, while Brent crude for November delivery gained 0.18 U.S. dollars to close at 45.95 U.S. dollars a barrel on the London ICE Futures Exchange.




WASHINGTON, Aug. 10 (Xinhua) -- U.S. space agency NASA said Wednesday its Cassini spacecraft has found deep, steep-sided canyons on Saturn's largest moon Titan that are flooded with liquid hydrocarbons.


"The finding represents the first direct evidence of the presence of liquid-filled channels on Titan, as well as the first observation of canyons hundreds of meters deep," NASA said in a statement.


The discovery, published in the U.S. the journal Geophysical Research Letters, was based on data collected from a close flyby Cassini made over Titan in May 2013, during which the spacecraft's radar instrument focused on channels that branch out from the moon's second largest hydrocarbon sea Ligeia Mare.


Previously, the branching channels appear dark in radar images, much like Titan's methane-rich seas, but it wasn't clear if the dark material was liquid or merely saturated sediment, which at Titan's frigid temperatures would be made of ice, not rock.


So during the 2013 pass, the Cassini spacecraft pinged the surface of Titan with microwaves, and the returned signals indicated the surface of the channels is extremely smooth, meaning they are currently liquid filled.


The Cassini observations also revealed that the channels -- in particular, a network of them named Vid Flumina -- are narrow canyons, generally a bit less than a kilometer wide, with slopes steeper than 40 degrees.


The canyons also are quite deep with those measured 790 to 1,870 .

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