externalize

To make something external or objective.

To represent something abstract or intangible as material; to embody.

To attribute emotions etc to external circumstances; to project.

To direct to others, as costs or benefits.

Offering high-quality software as open-source externalizes benefits to a large community, but also externalizes much of the cost of testing and further development.

Operating a low-cost, high-pollution manufacturing process externalizes costs in the form of adverse human health consequences and ecosystem effects.