The 63-page study was commissioned by the Travel Technology Association (TTA) and authored by Yale University professor Fiona Scott Morton, a former deputy assistant attorney general at the U.S. Department of Justice. It concluded that the airlines’ restrictions on online vendors could cost travelers an additional $6.7 billion a year and cause about one in six potential independent passengers to decide not to fly. In response, some consumer advocates immediately called for stricter regulation of airlines, while industry analysts defended the practice as a free-market prerogative. Travel Tech’s report predicted that removing airfares from third-party online sites will result in less pricing transparency and will boost average U.S. airline ticket prices by 11%, to about $300, forcing about 41 million of the 264 million leisure and unmanaged business passengers to opt not to fly. Get the full stor at Travel Weekly