By Dan Weil Consumer prices soared 8.2% in the 12 months through September, and inflationary expectations are high. You’ve almost certainly experienced the unpleasant impact of higher food, gasoline and shelter prices this year. And things may not get better soon. “Central banks and many other forecasters may be underestimating the risk of persistently high Inflation,” Jamie Thompson, economist at distinguished research firm Oxford Economics, wrote in a commentary. “While our view is that inflation is likely to recede next year, the outlook is highly uncertain, with evidence underscoring the r…