At the same time, however, CEOs, particularly in financial services, have grown concerned about government regulation.

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Gary Cohn is concerned about under-regulation.

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The European Commission, concerned with the detail of regulation, is an eager consumer of their specialist knowledge.

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He is concerned that poor decisions on regulation will flow from the lack of correct information and noted that both the exchanges and the broker-dealer community have been quiet on the issues.

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During the past 15 years or so international bank regulation has been concerned mostly with the ability of the system to sustain shocks, such as a stockmarket crash, a foreign-exchange crisis or a terrorist attack.

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McKinsey is concerned about complacency, especially given the lack of improved focus on regulation.

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At least in its later stages, Thatcherite privatisation was concerned with the restructuring of government-owned industries to introduce price mechanisms, competition and transparent regulation, to offer a share of ownership to the public, and to promote general economic efficiency.

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Obama could be able to capitalize on public outrage at the oil companies and demonstrate his commitment to stronger regulation, but he also must walk a fine line to show that he is concerned with jobs and the economy in the Gulf region (which the moratorium could hurt).

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But Lamberts says he is not "overly concerned" if the banker flight rids the European financial sector of excessive risk and circumvention of banking regulation.

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