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For a world economy coming to terms with a soaring dollar and a plunge in oil prices, this week will be all about the U.S. Federal Reserve's policy meeting and its intentions on interest rates.
A combination of the European Central Bank printing lots of euros and expectations of a first U.S. rate rise has caused turmoil on the foreign exchanges and in emerging markets.
The euro, which peaked at nearly $1.40 in the middle of last year, is now languishing around $1.05 and apparently headed for parity.
After successive months of strong jobs data, expectations have been growing that the Fed will point towards a June rate rise by dropping a pledge to be "patient" in considering such a move.
But the dollar's surge, crimping U.S. exports and cutting imported inflation, could cause its policymakers to pause for thought.
St. Louis Fed President James Bullard, generally viewed as a hawk, said last week the central bank risked delaying too long given the fall in unemployment.
Others expect the absence of inflation to hold sway. A Reuters poll of around 70 economists found an almost even split between the first move coming in June or later in the year.
"Under our base case, continued inflation weakness will get the Fed to change its tune and refrain from hiking rates in June," said Michael Hanson, senior economist at Bank of America Merrill Lynch in New York.
"But the Fed does not appear ready to capitulate yet, and will probably keep a June rate hike front and centre in the minds of market participants."
One question is whether the world's big powers, which have hitherto accepted dramatic currency moves as part and parcel of efforts to galvanize growth, will start to grumble about competitive devaluations and a race to the bottom.
The euro has dropped a hefty 25 percent versus the dollar since around the middle of 2014.
International Monetary Fund chief Christine Lagarde flagged the risks of divergent monetary policies, given expectations of the Fed normalizing policy while the ECB and Bank of Japan continue to print money.
Read MoreWatch out for market mood swings
"This will clearly involve more volatility and it will also have currency impact in that those countries or corporates that have borrowed extensively in dollar-denominated loans are going to suffer," she said.
Goldman Sachs now expects the euro to slide to $0.80 by the end of 2017.
It's a big week for central banks, and they have been busy.
Twenty-four of them have eased policy this year in an attempt to revive sluggish economies.
The Bank of Japan delivers its latest policy decision on Tuesday, a day before the Fed, and is expected to maintain its aggressive asset-buying campaign.
Policymakers continue to talk up the prospects of pushing inflation back towards its 2 percent target, but many economists expect the BOJ to ease again sometime this year, as weak oil pushes prices down.
Perhaps more intriguing is a Turkish central bank meeting, also on Tuesday. It has been in rate-cutting mode but found its efforts attacked by President Tayyip Erdogan, who has demanded more dramatic action even though inflation is high.
The lira, already under pressure from the strong dollar, has tumbled sharply as investors question the independence of the central bank and the position of its head, Erdem Basci.
Basci and Erdogan met last week to iron out their differences and may have secured a truce if not a meeting of minds. Erdogan has previously denounced defenders of high interest rates as "traitors", suggesting the chances of forging any common understanding are slim.
The Swiss National Bank holds its first policy meeting since it shocked financial markets in January by scrapping a three-year-old cap on the Swiss franc against the euro.
It is expected to keep its benchmark interest rate below zero until at least 2016 and is likely to lower growth forecasts for this year, according to a Reuters poll.
Norway is forecast to cut interest rates by a quarter point to 1 percent as its oil sector looks at an uncertain future.
House prices are rising fast, however, so a further loosening of monetary policy could risk inflating an asset bubble. The government has already asked the financial regulator for measures to put a lid on property prices.
Away from the central banking world, Britain's last annual budget before a national election in May will be a big political and economic moment.
With growth solid and public finances starting to surprise on the upside, finance minister George Osborne has scope for vote-winning giveaways. But that would run counter to his mantra of more austerity to come to put the UK back on track.
Osborne has talked about a cost-neutral budget, which may leave him some room for largesse.