But at the same time it encourages people to save, as their dollars are worth more everyday. So those who are not in debt benefit from deflation, creating a higher marginal saving. This in turn creates an incentive for interest rates to go down naturally and the inflationary cycle begins again...Quote from deviltrader:
Deflation in an economy with so much debt, such as the US, is bad. Deflation hurts borrowers, who'd need to repay debt with more expensive dollars. How many trillions in debt do Americans have? (businesses, individuals, governments) Deflation lasting more than a few years would likely cause a lot of bankruptcies, as people would be unable to pay off their debt.
You are thinking of deflation merely from the point of view of falling prices for milk and eggs. Deflation is more than just that
Deflation is just half of the business cycle, in a healthy economy the cycle alternates between inflation and deflation giving incentives to both borrowers and lenders. The problem with an Keynesian inflationary economy, like the one we have now, is that it won't allow the normal deflationary corrections... so they accumulate and end up hitting all at once.
Kind of like when you see a stock going up too much, too perfectly, without pulling back... you know it's in for a nasty drop you just don't know exactly when.