Inflation remains below target, despite stronger economic growth in the euro zone
ECB to nudge up its forecasts for economic growth in euro zone but trim its estimates for inflation
Investors will watch ECB President Mario Draghi for any change in his forward guidance
Mario Draghi, told critics to wait for the euro zone's recovery to take firm hold
Asset purchases will be 60 bn pounds per month from Apr-Dec 2017
It has resonance for policymakers, especially technocrats at European Central Bank
Monetary economics has not broken down in the Eurozone & a gradual recovery from the bloc's debt crisis will allow interest rates eventually to normalise
Promise protracted stimulus to aid a still fragile recovery, and dismissed any talk of tapering the programme away
Leaves interest rate unchanged
US and European shares have been rising and bond prices falling as investors expect a Trump administration to cut taxes and spend more
Inflation has missed the ECB's 2% target for three and a half years and is expect to undershoot until late 2018 at the earliest
ECB president Mario Draghi kept the deposit rate at minus 0.4% and maintained ECB's guidance for rates to stay at their current or lower levels for an extended period
The survey was conducted in September
The pan-European STOXX index fell 0.7 per cent
Gold plunged 3.3 per cent on Tuesday, its biggest tumble since September 2013
The ECB is increasingly aware of the limits of quantitative easing and considers the programme effective
ECB has cut rates aggressively, giving banks super cheap loans and pumping over a trillion euros into economy through assets purchases
With unemployment at 10%, govts holding back on spending as they reduce debt piles, and companies producing far less than they can, growth cannot take off, putting a lid on inflation
Growth and inflation remain anaemic and ECB is already losing much of its firepower
ECB kept its rate on bank overnight deposits, generally seen as its primary interest rate tool, at -0.40%.