"channels of influence" is correct and usable in written English.
You can use it to refer to any type of influence, whether it be direct or indirect. For example, "The political party has been able to spread their message to more voters by using a variety of channels of influence."
Examines intersections and channels of influence between the sciences and forms of imaginative literature.
They have also become important vehicles for news and channels of influence.
Channels of influence rarely flow only in one direction, as some economists have discovered to their dismay.
"Through their multiple channels of influence, the Rockefeller and Gates foundations have been very successful in promoting their market-based and bio-medical approaches towards global health challenges in the research and health policy community – and beyond".
The Trump Administration is, already, the most corrupt in American history simply because corruption, properly defined, lies in the control of possible channels of influence as much as in money directly pocketed.
Or even better, downstairs beside the Pollock, where it would instantly point to the pervasive, enriching presence of African-American culture in 20th century American art, jazz being but one of its many channels of influence.
This reflects two separate channels of influence--the direct effect of the change in β k (or ) on C and the indirect effect operating through.
At the time, the culture secretary said he "strictly followed due process" in the matter, and denied that News Corp had any "back channel" of influence with his office.
Mr Hunt has denied Labour claims that the emails show the firm had a "back channel" of influence to his office, but Mr Smith quit last week, saying the extent of contact went too far and had not been authorised by Mr Hunt.
Their friendship outlasted the process and he came to be known as Obama's "favorite general," but Cartwright stirred the resentment of both Petraeus and Mullen for establishing a separate channel of influence with the president.
