Fears of the euro zone providing a “ Lehman moment ” – an event which puts the final spark to the tinderbox of a global economic crisis – have been growing for months.

First, the second Greek election was flagged as a possible catalyst for chaos. Then it was the perceived lack of decision from the leaders of the euro zone’s four biggest economies: Germany; France; Italy and Spain.

Gary Burnison, chief executive of recruitment company Korn/Ferry International, told CNBC that companies are still nervous about hiring across the continent.

"They're all waiting for a Lehman Brothers moment. It’s across countries, industries, everything. Uncertainty is certainty and we’ve got to break through that,” he told “ Worldwide Exchange .”

Burnison pointed out that the “Lehman moment” could come from outside the euro zone, such as a sharper slowdown in China or the looming U.S. fiscal cliff.

This uncertainty is reflected in the divergence of opinions on whether the euro zone will provide a huge shock to global markets again soon.

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