Energy efficiency, emissions trading, and new technology must all be used, they said, and quickly - the costs of preventing climate change rise the longer action is delayed, they argued.

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And he introduced an electronic-trading platform that cut costs and boosted efficiency.

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Nobody doubts that electronic trading has the potential greatly to enhance the efficiency of the bond market.

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The speed and efficiency of the Equiduct model, specially designed for high-frequency trading of equities in the fragmented European market, is attracting institutions and bringing new players onto the market, says Fischer.

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Further improvement is needed in energy efficiency and reducing carbon dioxide emissions per unit of GDP, with carbon taxation preferable to emissions trading.

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