The Friday File: Halloween spending is expected to reach $6.9 billion this year including $2.3 billion on costumes, $2.2 billion on candy (which is experiencing annual inflation of 4.2%, 2.3 times the increase in the CPI) $2 billion on decorations, and $350 million on, yes, pet costumes. This year, the average person celebrating Halloween will spend $74.34, meaning 93 million Americans will celebrate! I’m dressing up as the invisible hand!