"effectiveness and impact" is correct and usable in written English.
You can use it to refer to the effectiveness and influence of a particular action or event. For example, "The effectiveness and impact of the program was phenomenal; it raised awareness and created lasting change."
Effectiveness and Impact: CMAM programme was effective during the design, preparation and training phase.
This will hopefully increase their scale, effectiveness and impact.
That's interesting because from an advertising perspective the effectiveness and impact of ads is in question".
Since then, it's safe to say, nothing he has made approaches the effectiveness and impact of "Boyz".
Lloyd adds: "It may be many years before the effectiveness and impact of work - for example, with children, or on environmental projects - can be assessed".
Effectiveness and impact may still come sometimes through a competitive scoop, but more often through collaborative networks in which insights flow in many directions.
"If you did it too much, it would dilute the effectiveness and impact," said Jason Wagenheim, vice president and publisher at Teen Vogue, part of Condé Nast.
Economists differ on the effectiveness and impact of private equity firms, which often borrow large amounts of debt to buy companies before selling them, hopefully for a profit.
As in this case, journalistic effectiveness and impact can still come through hard digging and a "scoop," but also through collaborative networks in which insights flow in many directions.
Our last sustainability report detailed how an internal review by a diversity consultant had shown that our considerable investment in diversity had actually had the opposite effected to that intended;it marginalised the development of equality and diversity, and limited its effectiveness and impact.
