Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In college football, every week we see the diversity different offensive systems utilize. This has forced defenses to expand their substitution packages so they can matchup with the offensive ...

When you eat at Kenny Shopsin’s diner on New York's Lower East Side, you play by his rules. Ask for a substitution and you will likely find yourself out on the curb, a victim of the eccentric chef-and ...

The heuristics and biases literature claims that the substitution bias occurs when we replace a difficult judgment task with an easier one. According to Kahneman and Frederick (2002), we don’t even ...

At the FIFA Club World Cup, one well-timed sub can shift the game. With six changes, concussion rules, and global pressure, every switch is a tactical gamble with global stakes. At the FIFA Club World ...

Researchers at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have developed a new way to ...