By John Foley
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
So, that’s it. Seven years and $4.4 trillion later, the U.S. Federal Reserve will exit quantitative easing, despite what a few Fedsters have said about the possibility of QE4. Let’s remember that third sequels rarely, if ever, are satisfying, they tend to meet with shrugs from audiences, and don’t often include the original cast of characters. "Alien Resurrection" ring a bell? That’s what QE4 would be. But I digress.
Many emerging economies have been banking on weaker currencies to revitalise economic growth. Oil's 25 percent fall in dollar terms this year should also help. The problem however is the dollar's strength which is leading to a general tightening of monetary conditions worldwide, more so in countries where central banks are intervening to prevent their currencies from falling too much.