Enterprise contract theory in the perspective of trade organization of transaction efficiency, extends transaction concept from market to the enterprise interior;

企业契约理论以交易的视角审视企业组织交易效率，将交易观念从市场领域延伸到了企业内部；

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Theoretical economists hold the view that the gaps of labor efficiency and transaction efficiency between city and countryside accelerate the speed of urbanization.

理论经济学认为，城乡间交易效率和劳动效率的差距是促进城市化的关键因素。

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Accounting information, as a kind of resource that can be used to approach the optimization of market transaction efficiency and degrade the market risks, is very scarce.

在这种情况下，会计信息作为一种能够促进市场交易效率最优化，降低市场风险的资源就显得尤为稀缺。

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When institutional operations are not transparent, it can increase transaction costs, reduce the efficiency of public services, distort the decision-making process and undermine social values.

UNESCO: Accountability

It bids for jobs on a per-transaction basis and then uses computers and software to increase efficiency and its profit on the work.

FORBES: The human factor

In terms of culture, finance, media and certain other transaction-based industries, a number of dense urban cores remain unassailable in their efficiency and appeal.

FORBES: Megacities And The Density Delusion: Why More People Doesn't Equal More Wealth