By Dan Weil Stagflation fears are on the rise amid commodity price increases and expected Federal Reserve interest-rate hikes. Stagflation fears are on the rise amid commodity price increases, which have been sparked by the Russia-Ukraine war and the anticipation of Federal Reserve interest rate hikes. Stagflation is a combination of slow economic growth and high inflation. The commodity price increases are inherently inflationary — and when consumers see higher food and gasoline prices, they may hold off on spending, thereby depressing growth. Aggressive interest-rate increases by the Federal…