In our latest Freakonomics Radio on Marketplace podcast, Stephen Dubner looks at why the first decision you make in 2012 can be riskier than you think. (Download/subscribe at iTunes, get the RSS feed, listen via the media player above, or read the transcript.)

The risks of driving drunk are well-established; it’s an incredibly dangerous thing to do, and produces massive collateral damage as well. So if you have a bit too much to drink over the holiday and think you’ll do the smart thing and walk home instead — well, that’s not so smart after all. Steve Levitt has compared the risk of drunk walking with drunk driving and found that the former can potentially pose a greater risk: