(BLOOMBERG) — More than 70 percent of investors say an attack on Iran’s nuclear facilities would create only a short-term disruption in oil markets, according to a quarterly Bloomberg Global Poll.

About a third of the 1,209 global investors, traders and analysts surveyed Jan. 23-24 said an attack may trigger an oil shock leading to a global recession.

The European Union agreed Jan. 23 to ban oil imports from Iran starting July 1 as the West increased pressure on the Islamic republic to halt its nuclear program.

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