The phrase "ambivalent effect" is correct and usable in written English.
It can be used to describe a situation or outcome that has mixed or contradictory results or feelings.
Example: "The new policy had an ambivalent effect on employee morale, with some feeling more motivated while others felt restricted."
Alternatives: "mixed impact" or "conflicting outcome".
The ambivalent effect points up an irony endemic to museum presentations of politically refractory art: whatever discontent the artists express is cushioned by their inclusion in — say it — élite institutional culture.
For instance, a study of the impact of switching a million hectares of pastures and hay lands to energy crops (mainly switchgrass and corn stover) on the water quality in the Upper Mississippi River showed an ambivalent effect [19].
The results of this study also provide new grounds for understanding trophic interactions at the regional scale as well as the ambivalent effect of landscape complexity on pest and natural enemy populations.
Special emphasis is put on the ambivalent effect of commoditization of knowledge work on KSC growth: It is proposed that KSCs attract most client projects if service commoditization is medium, whereas higher or lower commoditization either increases global competitive pressure or lowers demand and economies of scale and scope.
Compared to the constitutive expression of immune related networks in the tumor microenvironment, CPT-11 had an ambivalent effect with down regulation of several pro-apoptotic/pro-inflammatory transcripts including IRF-1 and, down-stream of it several interferon stimulated genes.
And the theme he chose -- the ambivalent effects of government power -- is big and open-ended enough to warrant continuing exploration.
It is not surprising that this work is often disconcerting and disturbing because, as Couturier points out, sexuality is such a dangerously powerful force in human life that its treatment in literature is always likely to have ambivalent effects on culture and society.
The ambivalent effects of the four mechanisms reveal the bi-functional character of ties in an interorganizational context.
Based on an analysis of the parallel development of the neighboring disciplines of innovation studies and project management, we show that the sharing of concepts and empirical domains can have ambivalent effects.
To better understand the ambivalent effects of various corporate identity characteristics, four informal interviews with corporate CSR experts who participated in the survey have been conducted.2 The exploratory interviews provide some interesting thoughts about the results and could help in refining the hypotheses to stipulate further confirmative research.
In addition, the ambivalent effects of cocaine may also contribute to explain why rats in the S+/C+ condition developed a reliable preference for lever S more rapidly that rats in the S+/C- condition (day 2 versus day 7).
