For the moment, the best thing consumers and governments can do is deleverage. They will do so anyway, either through voluntary efforts (scaling back, paying down debt, cutting spending) or involuntarily (massive inflation as currencies get debased and 60% "haircuts" on bonds like Greek creditors are facing right now).
For hard pressed Canadians, a tax cut would be wonderful; Canadians pay an average of 41% of their income to various levels of government in taxes, so extra money to do anything like pay down debt, purchase goods and services or invest is at a premium. Most business is in waiting mode, as economic uncertainty makes it very risky to invest in anything at all (the sudden slowdown in job creation in the US after the passage of Obamacare is a good example of regulatory uncertainty; what sort of new and unexpected liabilities would Obamacare generate for the employer? Ontario business has to factor in new taxes and their electricity bills to rise by 65 per cent by 2015 and 141 per cent by 2030, which puts a huge crimp in any potential hiring).
For tax cuts to happen, all levels of government would also have to cut and cut hard. At the Federal level, this could include $30 billion/year in subsidies to business, $19 billion/year wage differential between civil service jobs and the same private sector jobs, $8 billion/year in Crown Corporations, however much is spent on Government departments which overlap Provincial responsibilities as outlined in the BNA (several billion to be sure), $43 billion/year in equalization payments to the Provinces...My goodness, that is at least $100 billion/year; the resources to create 2,000,000 full time jobs (which by odd coincidence would be relatively close to the number of unemployed in Canada).
So the first order of business is to get out of debt. Supply side economics and tax cuts work and work well as demonstrated in JFK Era America, Thatcher era England, Reagan Era America, Mike Harris Era Ontario, Alberta, Saskatchewan since the rise of the Saskatchewan party, the economic turnaround being seen by the "Newly Red" American States since the 2010 Midterms...(a simple look at GDP, per capita income, and employment rates during these time periods compared to before, or even trend lines between before and after tell the story. I can pull examples even farther from history; want to see the difference between Elizabethan England and Imperial Spain? How about the Ottoman Empire vs the Serenìsima Repùblica Vèneta? Yes not everyone managed to get on the boat then, but there are lots of people who aren't getting on the boat now either...)