The World Exposition opening next month in Osaka could boost Japan's consumption by 1 trillion yen ($6.7 billion), with spending by foreign tourists outside the event venue accounting for about 30 percent, according to an estimate by a private think tank.Of 28.2 million visitors expected by the organizers during the event from April 13 to Oct. 13, 3.5 million visitors from abroad will likely spend some 293 billion yen outside the expo site on transportation, hotels and other expenses, the Resona Research Institute said.While the Japan Association for the 2025 World Exposition estimates that…READ FULL ARTICLE