Goldman Sachs Group analyst Robert Kaplan said that the Fed's decision not to raise interest rates in July was “absolutely” correct, and urged policymakers to remain open until September, on the grounds that factors affecting inflation are complex, and rigid forward-looking guidance would be counterproductive.

Goldman Sachs Group analyst Robert Kaplan said that the Fed's decision not to raise interest rates in July was “absolutely” correct, and urged policymakers to remain open until September, on the grounds that factors affecting inflation are complex, and rigid forward-looking guidance would be counterproductive.