The phrase "sum effect" refers to the overall or total impact or result of something. It means considering all the individual parts and their combined influence on a situation or outcome. Full definition
Opening with a portentous quote from Kafka, writer - director Ari Kirschenbuam's Fabled quickly reveals itself to be a hyper - stylized flick, but the glossy sum effect is that of a film student straining for a weightiness he can't pull off. (rottentomatoes.com)
Making books available for library lending is an obligation which comes with the rights granted under copyright law, and is limited in very important ways which mean that it has relatively little effect on authors» earning power, and for the vast majority of them it makes up a very small proportion of their total income, so the zero - sum effect doesn't really kick in. (andrewhickey.info)
We won't know the update's sum effect until it releases in December, but on the face of it, this is a big change for the title, and represents the kind of improvements that we ask from our developers. (betagametesting.com)