Andy Yeh Alpha

America and China, the modern world's most powerful nations may stumble into a **Thucydides trap** that Harvard professor and political scientist Graham

Key tech unicorns blitzscale business niches for better scale economies from Uber and Lyft to Pinterest, Slack, and Zoom. LinkedIn cofounder and serial entr

U.S. inflation has become sustainably less than the 2% policy target in recent years. As Harvard macro economist Robert Barro indicates, U.S. inflation has

U.S. tech titans increasingly hire PhD economists to help solve business problems. These key tech titans include Facebook, Amazon, Microsoft, Google, Apple,

In recent years, the current AI-driven stock market rally may or may not turn out to be another major asset bubble in global human history. For the pract

U.S. federalism and domestic institutional arrangements A given country is federal when both of its national and sub-national governments exercise separa