Economists generally believe that deflation is a problem in a modern economy because it may increase the real value of debt, especially if unpredictable, and may aggravate recessions and lead to a deflationary spiral.
Deflation is a problem in a modern economy. This is what economists believe. It may increase the real value of debt. This is especially if unpredictable. Economists generally may aggravate recessions. Economists generally may lead to a deflationary spiral.