Links for 9/20/10

Tyler Cowen

Signaling models are important but they are not the only effect and of course a lot of signaling is welfare-improving for reasons of screening and sorting and character reenforcement. The traditional story of high social returns to education is supported by evidence from a wide variety of different fields and methods, including cross-sectional growth models, labor economics, political science, public opinion research, anthropology, education research, and much more. You can knock some of this down by stressing the endogeneity of education, but at the end of the day the pile of evidence, and the diversity of its directions, is simply too overwhelming.

Dean Dad

A cliche of economic history is that the early railroads failed because they thought they were in the railroad industry, but they were actually in the transportation industry. Trucks ate their lunch. The educators who will thrive in the future will be those who understand that they aren’t in the Tenured Professor business; they’re educators…

Steve Kolowich

the University of Texas at San Antonio’s Applied Engineering and Technology Library… its on-site collection is only available electronically.

Mike Mandel gives us this chart: