Scott Alexander summarizes various responses to his post on 'cost disease', presenting diverse explanations for dramatic cost increases in healthcare, education, and infrastructure. Longer summary

Scott Alexander summarizes and responds to various commentators' explanations for the 'cost disease' phenomenon he described in a previous post, where costs for healthcare, education, and infrastructure have risen dramatically over time without corresponding improvements in quality. The post presents diverse perspectives from economists, bloggers, and readers, exploring theories ranging from administrative bloat and regulatory burden to market failures and changes in societal expectations. Shorter summary

Scott Alexander shares and comments on highlighted passages from Garrett Jones' 'Hive Mind', covering various aspects of IQ research and its societal implications. Longer summary

This post is a collection of highlighted passages from Garrett Jones' book 'Hive Mind', along with Scott Alexander's commentary. The passages cover a wide range of topics related to IQ, including its measurement, cultural differences, effects on cooperation and voting behavior, and its relationship to national economic performance. Scott provides critical analysis and personal insights on these excerpts, often relating them to other research or raising questions about their implications. The post also touches on topics such as the Flynn effect, nutrition's impact on intelligence, and group dynamics in decision-making. Shorter summary