Shorter WWI - Economic Effects

Supposing the Great War had ended early 1917, with the U.S. remaining neutral. (If more details are needed, we can use this CP win scenario as an example.) What are the effects on the world economy? Does the U.S. still emerge as the financial capital? Does a Great Depression still loom on the horizon? What else?
 
IIRC Kennedy said that the US was going to overtake Europe in GDP terms in 1925 but the war made it happen in 1919. So if the war is cut short I imagine that the US will overtake Europe's GDP sometime between those dates.
 
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