Eric’s Enlightenment for Tuesday, May 19, 2015
May 19, 2015 Leave a comment
- Melanie Bailey leads a team of scientists in developing a fingerprint test for cocaine use. It “is based on surface mass spectrometry. It desorbs molecules from fingerprints and detects not only cocaine but also its two metabolites, benzoylecgonine and methylecgonine, showing that the drug has been ingested, rather than only touched”.
- 7 non-anglophone countries where anglophone university students can earn post-secondary degrees in English for free.
- Paul Romer criticizes economic growth theorists for committing “mathiness” – the use of words and symbols that “leaves ample room for slippage between statements in natural versus formal language and between statements with theoretical as opposed to empirical content”. He supplements this paper with a nice blog post, and he responds to Noah Smith and Brad DeLong in a follow-up blog post.
- A randomized trial (n = 2538) of 4 different programs concludes that reward-based financial incentives work well in motivating smokers to quit smoking. (Paying people to stop smoking works!) Hat Tip: Alex Tabarrok.