Based on CGEM and with the application of input-output analysis and optimistic control theory, a two-level model of macroeconomic management is established.

以CGEM为基础，综合运用投入产出分析和最优控制理论，设计出一个二层次的宏观经济管理模型。

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Gun control advocates acknowledge there will be more legal challenges by gun rights groups, but they remain optimistic most gun laws in the U.S.

VOA: standard.2010.07.06

Market participants should keep in mind that since it is going to take some horrendous economic data (yes, it can get even worse) to convince Captain Bernanke to fire up the engines, that very data may spook the markets, so it is probably overly optimistic to expect things to run on cruise control for the next few months.

FORBES: Captain Bernanke At The Helm Of The QE2 Hopes To Avoid A Titanic Outcome

This makes them more optimistic than liberals, more likely to feel in control of their lives and therefore happier.

ECONOMIST: Lexington: The joys of parenthood | The

Mr Bloomberg, a strong supporter of gun control, has said he is cautiously optimistic of winning over Congress, which votes on the issue next month.

BBC: Michael Bloomberg funds $12m US gun law campaign