Review of 'Accidental Superpower' by Peter Zeihan

The Accidental Superpower (2014) attempts to explain why the United States has been the global superpower, and will continue to be for at least the next 30 years. The three elements he identified that

Read More…

Income distribution over two centuries

200 years ago, everyone was poor 40 years ago, the income distribution had two modes, and global inequality was higher than it is today Now, there is a single global middle class, and global income in

Read More…

Math has no god particle

There is an interesting article from FiveThirtyEight about the Atlas of Lie Groups and Representations, and more generally about why mathematicians are reluctant to talk to the press. They explore the

Read More…

Review: The Warmth of Other Suns by Isabel Wilkerson

Isabel Wilkerson’s riveting book about the Great Migration of African-Americans out of the south is the perfect blend of narrative and statisitcs. The personal stories of Ida Mae Brandon Gladne

Read More…

Why I uninstalled Adblock plus

The most common business models on the internet are: ad-supported free services (Google, Facebook, Twitter, etc.) freemium (reddit, Hulu, apps with in-app purchases, etc.) donation (Wikipedia, NPR, e

Read More…

Gini Coefficient and Income Distribution

The gini coefficient is a measure of income inequality. It is calculated by ordering the given population by income, then calculating the cumulative distribution, and finding out how much it deviates

Read More…

All Posts by Category or Tags.