Despite all the talk of supporters being gouged over travel costs, this is the way markets workFor supporters of Liverpool, Spurs, Arsenal and Chelsea it has been quite a week. First they had the joy of seeing their teams get through to the finals of Europe’s two cup competitions: the only time there has been a clean sweep by English clubs. After the euphoria, though, came a hard lesson in basic economics.As the final whistle blew at Anfield, following Liverpool’s amazing comeback against Barcelona, anyone logging on to airline websites found the price of a ticket to Madrid – where the final o...