Rogge thinks investment-grade and high-yield corporate debt, for example, are attractively priced for a difficult environment.
He said IOC president Jacques Rogge had travelled by Docklands Light Rail instead of car.
Rogge's advice to his successor on Sunday was, in characteristic fashion, focused on organization.
Rogge has attended memorial ceremonies, but usually they are organized by the Israeli government.
Australia Prime Minister Julia Gillard wrote to Rogge, officially asking for the moment of silence.
Four members of the executive board are running to replace Jacques Rogge as president of the IOC.
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"They vowed to adapt the sport and to fight to eventually be included in 2020, " Rogge said.
Olympic President Jacques Rogge predicted that Delhi will stage a successful Commonwealth Games and criticised the media for being pessimistic.
Rogge held a breakfast meeting in Dubrovnik with bid leaders from London, New York, Paris, Madrid and Moscow.
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Among the dignitaries present were International Olympic Committee president Jacques Rogge and London organizing committee chairman Sebastian Coe.
"Economics should not drive our decision, " Mr Rogge said at the end of a two-day IOC executive board meeting.
Also, four members of the executive board are running to replace Dr. Jacques Rogge as president of the IOC.
The Secretary-General and his wife then met with the President of the International Olympic Committee, Jacques Rogge, and Mrs.
"The cycle is quite a difficult process to break, " says Rogge's Mr. Bell.
On July 16th, Jacques Rogge, a Belgian surgeon, was elected as his successor.
If organizing were an Olympic sport, Jacques Rogge might win a gold medal.
International Olympic Committee President Jacques Rogge said his thoughts and those of the whole Olympic movement were with the victims.
Thanou had threatened to sue the IOC and president Jacques Rogge if she was not allowed to compete in Beijing.
Rogge has pledged to catch competition in all 26 sports in London but is particularly looking forward to several key clashes.
But Rogge was not impressed by what he saw and accused Bolt, who would eventually win three gold medals, of showboating.
Jacques Rogge said there was confusion "between the operational budget and the infrastructure budget" which would redevelop swathes of east London.
International Olympic Committee president Jacques Rogge told BBC Radio 4's Today programme earlier that that deployment had been "a good strategy".
Rogge instituted at separate Youth Olympic Games, first held in Singapore in 2010, in an attempt to rejuvenate the organization's appeal.
Known for stern speeches during opening ceremonies, Rogge has an uncanny ability to focus on the details, say IOC members and colleagues.
Rogge leaves the IOC with cash in its coffers, and major broadcast rights which make up 75% of the organization's budget signed through 2020.
Candidates to replace Rogge in 2013 won't declare themselves until next year.
Rogge earlier denied fears over pollution, but has now suggested that certain events of more than one hour could be exacerbated by the weather.
Rogge's predecessor, Juan Antonio Samaranch, was a diplomat and showman who created the modern Olympics as a business with big TV contracts and sponsors.
But Diack's personal criticism of Rogge did not finish there: he also berated him for his comments about Jamaican sprint sensation Usain Bolt's Beijing celebrations.
"I am happy about the fact that the Olympic Games under my watch were good games, " Rogge said in his final London press conference on Sunday.
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