> hedging is good. Is it? Article says that it can be bad for customers: >> José Azar, an economist at the University of Navarra in Barcelona, along with Mart

> hedging is good. Is it? Article says that it can be bad for customers: >> José Azar, an economist at the University of Navarra in Barcelona, along with Martin Schmalz and Isabel Tecu, showed that airline ticket prices were 3% to 7% higher because big funds owned stakes in so many airlines.