*****  , thus significantly increasing

比如：

This implies that recipients regulate their markets according to donor requirements, thus significantly increasing exports from Australia and New Zealand.   Handbook on the Economics of Foreign Aid: - 第 174 页

一般用不用复数形式的表达：

impact

reseach

在http://corpus.byu.edu/coca/
中搜索
impact|impacts或者research|researches后可以看到，

复数表达很少。

用 ，as such 替换 ，so   和  , therefore