He said: "People who are struggling to find work and struggling to find a secure future are, I think, driven further into a downward spiral of uncertainty, even despair, when the pressure is on in that way".
Dr Williams told BBC radio in the West Midlands: "People struggling to find work and a secure future are driven further into a downwards spiral of uncertainty, even despair, when the pressure is on in that way.
The Supreme Court's decision to hear arguments in the Florida election battle may reflect the justices' desire to calm national anxieties over the spiraling political uncertainty, and may not be an indication of how the court might rule on the narrow issues before it.
But the Archbishop of Canterbury warned that the planned welfare changes could drive people "into a downward spiral of uncertainty, even despair".
This year, Donald Trump's U.S. election triumph sent Silicon Valley into a spiral of uncertainty, Facebook addressed its fake news problem, the IPO landscape saw little action and the UK separated form the EU.
The Archbishop of Canterbury, Dr Rowan Williams, expressed his concern about the proposed changes, saying: "People who are struggling to find work and struggling to find a secure future are - I think - driven further into a downward spiral of uncertainty, even despair, when the pressure is on in that way.
"Our sense is that if we do not act boldly and if we do not act together, the economy around the world runs the risk of downward spiral of uncertainty, financial instability and potential collapse of global demand... we could run the risk of what some commentators are already calling the lost decade".
There are good reasons why investors are lusting for gold: Brexit, the Italian banking crisis, Chinese uncertainty, spiralling global debt and Donald Trump.
Russia was the biggest concern among the leading countries as "sanctions, a spiralling currency and uncertainty drove business expectations down sharply to a new low".
Last week, President Goodluck Jonathan "suspended" him from his position as central bank chief, sending the country's currency on a downward spiral and prompting uncertainty on the Nigerian stock exchange.
