The Japanese government is estimated to spend a higher-than-expected 164.7 billion yen ($1.16 billion) on the 2025 World Exposition in Osaka, amid public concern about inflated costs for the global event. In addition to the total, which includes spending on bidding activities, the central government, local authorities and the private sector are projected to pour some 9.7 trillion yen into the development of infrastructure for the event. With costs becoming larger than initially estimated, the government will set up a panel including third-party experts to examine whether continuing to inject m…