Have you ever read this article?

Muñoz, Lucio, 2017. An Overview of the Impact of Perceptibility on the Moral Relevance of Detectable Effects: Pointing Towards a Higher Moral Ground in Decision-Making, Boletin CEBEM-REDESMA, Año 10, No. 4, April, La Paz, Bolivia.

https://www.researchgate.net/publication/282779333_An_Overview_of_the_Impact_of_Perceptibility_on_the_Moral_Relevance_of_Detectable_Effects_Pointing_Towards_a_Higher_Moral_Ground_in_Decision-Making