Are stars as shiny as they look?

The net expenditure of the Paris Saint-Germain (PSG) football team was equal to almost 400 million euros over the past three seasons. This amounts to roughly half of the total market valuation of the current team’s players. However, during the last three years, the PSG's winning ratio has increased only from 71% to 79%. Clearly, … Continue reading Are stars as shiny as they look?