The Federal Reserve’s annual gathering in the Rocky Mountains is usually a time for central bankers and their wonky friends to kick back, discuss a few complicated economic topics and then go for a hike in the shadow of Grand Teton.

Jerome Powell on Friday will walk through the Jackson Lake Lodge to deliver his final speech as Federal Reserve Chair at the global central bankers' influential forum.

The annual economics symposium, which begins Thursday, brings together top monetary policy officials from around the world and always makes headlines in the financial press. There are at least three reasons the conference is worth paying attention to this year.