[经济] “辐射效益”怎样翻译英文？ [推广有奖]

radiating effect

radical effectiveness

radiation effecta

radiation effects

窃以为，上述几种译法不够准确
周边的河北内蒙辽宁山东天津等地的受益是因为北京实行了相关经济政策，所以这种受益应该是北京所实施经济政策的一种溢出效应，因此，我觉得像下面这样处理可能更好一点：
1、纯粹不用“辐射效益”这几个字眼，只是通过意译的形式把这种意思传递出来：
Ajacent areas like Shandong province etc. will also benefit from Beijing's adoption of the economic policy of...in...(listing the specific revenue received owing to this factor此处指出具体受益的地方)
2、如果实在坚持要用“辐射效益”这几个字眼，那只有如下处理了：
The adoption of the economic policy of ... in Beijing will generate a positive spillover effects to ajacent areas like Shandong province, etc.
当然，有可能我的表述也不是很准确，那就只有楼主在这个基础上去进一步提炼了

不好意思，上面出了一点小错误，现更正如下：
The adoption of the economic policy of ... in Beijing will generate a positive spillover effect (or: positive spillover effects) to ajacent areas like Shandong province, etc.

是想说Adjacent吗