Link fiesta (12.4.14)

1. World Bank on the economic impact of Ebola. (link)
1. Hans Rosling takes on Ebola in Liberia. (link)
2. Is blogging/tweeting about research papers worth it? (link)
3. Capuchin monkeys are not fooled by Veblen goods. (link)
4. How the West is winning the war against teen pregnancies: 
1. "...the declines are not due to teenagers having less sex. As in the US, the improvement appears to be related to more widespread use of contraceptives, which Ingham says is due to better sex education in schools". (link)
5. Sociologists vs. economists, redux: 
1. "Sociologists are fighting what they perceive to be an intellectual battle against economists over whose description of social phenomena - discrimination, family life, etc. etc. - is going to be accepted by society. And it is asymmetric warfare. Sociologists, by (sometimes) continuing to use the tools of literary "critical theory", have brought a nerf gun to a tank fight. We live in a quantitative, data-driven age..." (link)
6. Troubling graph of the day: a flattening of TFP or mismeasurement problems? (link)