Other economic concepts related to inflation include : deflation a fall in the general price level; disinflation a decrease in the rate of inflation; hyperinflation an out-of-control inflationary spiral; stagflation a combination of inflation, slow economic growth and high unemployment; reflation an attempt to raise the general level of prices to counteract deflationary pressures; and Asset price inflation a general rise in the prices of financial assets without a corresponding increase in the prices of goods or services.