The phrase "assumed preference" is correct and usable in written English.
It can be used in contexts where you are discussing a preference that is taken for granted or presumed without explicit confirmation.
Example: "Based on the data collected, we can identify an assumed preference for online shopping among younger consumers."
Alternatives: "presumed preference" or "inferred preference".
The study reports the results for two different models: one which assumes preference homogeneity and the other preference heterogeneity in the sampled population.
Assuming preferences go as in 2010, the Coalition now leads by 51.5% to 48.5.
In estimation we pool 15 years of cross-sections, and assume preferences are stable over the period having controlled for the observed drivers of sample composition and behavior described in Table 1, together with year and region effects.
Finally, we assumed strong preference for one drug only and regarded situations in which the physician preferred two of the TNF antagonists to be a situation of treatment with a drug of lower preference.
The housing sector has been slow to accept new truths; in London, new development still focuses on the assumed cultural preference for houses and gardens, as if city dwellers all behaved like little Englanders.
This reflects an assumed patient preference for shorter waiting time, and also demonstrates the utility of city-wide ED status information dissemination.
It is assumed that preferences are transitive, so $a$ also prefers $e$ to $f$.
With this approach, it is implicitly assumed that preferences do not vary between responses made by an individual respondent, but variation in preferences between respondents is modelled explicitly.
However, it may be assumed that preferences may have a certain degree of autonomy from external conditions in their evolution; The more constrained population growth is, the more resource scarcity and environmental problems there are.
