Kseniia Sergeeva
Why continuity assumptions matter more than you think
In econometrics, many of the most important results depend on conditions that rarely receive attention. Buried inside proofs, often labeled as “regularity conditions,” these assumptions can look technical and secondary. Continuity is one of them. Yet continuity is not just a background detail. It is one of the structural features that makes estimation possible, inference meaningful, and models stable.
How Twitter Trading Works
Have you ever watched a tweet go viral and wondered if someone is quietly making money from it? That idea is at the core of “Twitter trading”: turning tweets into data that guide trades.