"far-reaching conclusions" is a correct and usable phrase in written English.
It is used to describe a conclusion that has wide, long-running implications. For example, "His research has led him to draw far-reaching conclusions about the long-term effects of climate change."
People have been loth to draw far-reaching conclusions in the absence of data.
FLOTTENRICHTER KRANZBUEHLER: You know, Admiral, that the Prosecution draws very far-reaching conclusions from your acceptance of this appointment as Commander-in-Chief of the Navy, especially with reference to the conspiracy.
But consider, then, how few societies in the past have explored such far-reaching conclusions, how few have also been able to live by them, and how much opposition such views have spurred.
But business travellers probably should not draw any far-reaching conclusions from this episode, which has become a political football in the ongoing conflict between American and its unions.
Paul bases her far-reaching conclusions on the slimmest of demographic bases (she interviewed sixty young divorced people around the country) and has compiled her book largely by stringing together quotes from a smorgasbord of books and articles (ranging from Cosmopolitan to Gertrude Himmelfarb's "One Nation, Two Cultures").
Much of the data and case studies that Carson drew from weren't new; the scientific community had known of these findings for some time, but Carson was the first to put them all together for the general public and to draw stark and far-reaching conclusions.
This analysis also gives us a far-reaching conclusion as follows.
Bearing in mind the relatively small number of exposed men, however, caution is warranted regarding any far-reaching conclusion about particular mineral oils.
The power of the present design leads us to draw a more far-reaching conclusion: We conclude that it is unlikely that any SNPs of large effect contribute to heritable influence on family chaos as assessed by parents of young children using DNA of the children.
While at the beginning of the 1980s the external diagnosis of an emerging African crisis was essentially economic, by the end of the decade the exegesis of the post-colonial state condition led to a more far-reaching conclusion: the malady afflicting Africa was not simply economic but more fundamentally political and required democratic reforms.
Teller has been criticized for drawing unduly far-reaching ontological conclusions from one particular representation, in particular since the Fock space representation cannot be appropriate in general because it is only valid for free particles (see, e.g., Fraser 2008).
