"heterogeneous impact" is a correct and usable phrase in written English.
You could use it when referring to a situation in which the effects of an action or event are felt differently by different people or groups. For example, you could say, "The economic downturn had a heterogeneous impact, with some workers losing their jobs and others remaining employed."
The heterogeneous impact of nitrogen deposition from airborne ammonia emissions could serve as the basis for differentiated policy measures.
This analysis reveals a heterogeneous impact of US contestation: while US policies did not impact global human rights trends, it did shape the behavior of states that aided and abetted US torture policies, especially those lacking strong domestic legal structures.
Nonetheless, the effects of the credit program on enrollment exhibit the largest magnitude and with clearly positive heterogeneous impact on the poorest applicants.
Results show that built environment and individual characteristics have a significant and heterogeneous impact on the size and shape of the PWN.
In the fracture porosity the heterogeneous impact of secondary fractures distribution on matrix-to-fracture fluid transfer is revealed by shape factor distribution.
Results support the evidence regarding a heterogeneous impact of cargo mix and route mix on input reducing and output increasing potentials.
Results reveal heterogeneous impacts in both cities.
As rural households are simultaneously consumers and producers of agricultural commodities, net consumption/production position is crucial for understanding the heterogeneous impacts of public policies, changes in global markets and prices, and environmental changes.
Nevertheless, the decision of what to do in order to reuse abandoned railways represents a complex decision making problem, involving heterogeneous impacts and stakeholders.
Our analyses suggest that a uniform property tax policy would bring substantially heterogeneous impacts across different income groups as well as different regions, mainly due to the differences in income distribution, housing prices and the degree of the Housing Demolition program.
More research, with a larger data set, would help disentangle these heterogeneous impacts.
