It follows disappointing jobless data for Germany also published Thursday. There was an unexpected 1,000 rise in unemployment in August, significantly below expectations of a fall of 5,000.
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The data points have taken on particular importance ahead of the European Central Bank's next policy meeting on Thursday next week.
The euro zone has been battling with growth-sapping low inflation for months now; in July, inflation rose by just 0.4 percent compared to the same period last year - the lowest level seen since October 2009.
Fears that the region could be heading towards a period of deflation saw the ECB unveil a host of measures at its June meeting designed to give the euro zone's recovery a boost.
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Now, more disappointing economic data and hints of policy action by ECB President Mario Draghi at a speech in Jackson Hole last week have heightened expectations of more stimulus measures – possibly announced as early as next week. A growing number of economists now expect the ECB to launch some form of bond-buying – or quantitative easing (QE) – program in the coming months in an effort to bolster to region's stalling recovery.
Stephen King, HSBC's group chief economist, told CNBC Thursday that although such a measure was unlikely to be announced next week, "later this year, perhaps the beginning of next year, there's a bigger chance of it taking place."
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The German inflation figures come amid concerns about the strength of economic recovery in the country – often dubbed the "powerhouse of Europe".
Last week, the Ifo Business Climate index – a key measure of German business sentiment – fell short of analyst expectations. While second-quarter gross domestic product (GDP) data for the country showed its economy had contracted for the first time in over a year.