The real option method is used to evaluate the value of operating concessions given to corporations in the process of the merger and acquisition of corporations.

在企业并购过程中，采用实物期权法对企业的特许经营权价值进行评估。

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Foreign oil companies, including Spain's Repsol, and dozens of smaller outfits, are operating many of these concessions.

外国石油公司，包括西班牙的Repsol公司和其它几十个较小的机构，正在使用这些特许权进行开采。

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International oil and diamond companies, operating concessions awarded by the government, are growing twitchy at the threat of attack.

ECONOMIST: Angola

Concessions granted in 2004 for Stratoni, one of the Halkidiki mines that is currently operating and is near Skouries, are valid until 2026 and can be renewed twice for 25 years each time, free of charge.

NPR: Masked Intruders Raid Greek Gold Mining Company