A man paints a 2014 World Cup design on a sand castle on Copacabana Beach in Rio de Janeiro, Brazil.

Economists don't expect Brazil's economy to get an immediate boost from hosting the 2014 World Cup, but some say the long-term benefits will be 'priceless.'

"The net gains… will be substantial, but they are unlikely to be realized during the event; the gains will come in the years following the event and will be indirect," said Walter Boettcher, chief economist at Colliers International.