Olympic Games ceremony the Games of the II Olympiad in Paris in 1900, which had no opening ceremony before as part of the 1900 World's Fair. There are five examples from the United States alone in which the Games were not opened by the head of state. The Olympic Charter provides that the person designated to open the Games should do so by reciting whichever of the following lines is appropriate: Before 1936, the opening official would often make a short welcoming speech before declaring the Games open. However, since 1936, when Adolf Hitler opened both the Garmisch Partenkirchen Winter Olympics and the
Olympic Games Games, at 324%. London 2012 had a cost overrun of 76%, Sochi 2014 of 289%. Many economists are sceptical about the economic benefits of hosting the Olympic Games, emphasising that such "mega-events" often have large costs while yielding relatively few tangible benefits in the long run. Conversely hosting (or even bidding for) the Olympics appears to increase the host country's exports, as the host or candidate country sends a signal about trade openness when bidding to host the Games. Moreover, research suggests that hosting the Summer Olympics has a strong positive effect on the philanthropic contributions of corporations headquartered in