NEW HAVEN â€“ The temptations of extrapolation are hard to resist. The trend exerts a powerful influence on markets, policymakers, households, and businesses. But discerning observers understand the limits of linear thinking, because they know that lines bend, or sometimes even break. That is the case today in assessing two key factors shaping the global economy: the risks associated with Americaâ€™s policy gambit and the state of the Chinese economy.
Quantitative easing, or QE (the Federal Reserveâ€™s program of monthly purchases of long-term assets), began as a noble endeavor â€“ well timed and well articulated as the Fedâ€™s desperate antidote to a wrenching crisis. Counterfactuals are always tricky, but it is hard to argue that the liquidity injections of late 2008 and early 2009 did not play an important role in saving the world from something far worse than the Great Recession.
The combination of product-specific funding facilities and the first round of quantitative easing sent the Fedâ€™s balance sheet soaring to $2.3 trillion by March 2009, from its pre-crisis level of $900 billion in the summer of 2008. And the deep freeze in crisis-ravaged markets thawed.
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