LOVE this cartoon, and it's rooted in fact: http://m.nber.org//papers/w16606
The link above is to a study from Stanford University in 2011 that focused on the economic impact effective teachers have on lifetime earnings for students, and found that an increase of .25 in overall test scores (a standard deviation) would increase GDP by 44 trillion (yes, trillion). Finland is .58 ahead of the United States, and the study showed that 112 trillion would be added to GDP if we simply raised student achievement to Finland's level. It also found that in order to pay a teacher in alignment with their measurably postive lifetime economic impact on students (400k per 20 student class), we'd have to raise starting salaries to more than $200,000. Think of the property taxes...
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