You're likely to see a small and fast bump, when everyone goes out to buy new phones and tv's with their stimulus money. It will have no lasting or significant effect. Temporary payroll tax reductions are a good idea, but the only true and effective way to revive an economy is work, plain and simple, people need to work. We should have the upmost concern with getting people back to work as soon as possible rather than tank the valuation of our currency by injecting huge sums of cash into a fragile market.