Scientists are used to seeing infinity in their equations, but refuse to accept it as an answer to them - why?
Singularities & Black Holes, by the Stanford Encyclopedia of Philosophy - https://plato.stanford.edu/entries/spacetime-singularities/
Singularities & Black Holes, by Peter Bokulich - http://people.bu.edu/pbokulic/blackholes/
Infinite Ethics (Bostrom, 2011) - https://nickbostrom.com/ethics/infinite.pdf
The Elasticity of Demand for Health Care: A Review of the Literature and Its Application to the Military Health System (Ringel et al, 2002) - https://www.rand.org/pubs/monograph_reports/MR1355.html
Price Elasticity of Demand, by Anderson et al - https://www.jstor.org/stable/1237232?seq=1#page_scan_tab_contents
Taxes & Perfectly Inelastic Demand, by Khan Academy - https://www.khanacademy.org/economics-finance-domain/ap-microeconomics/ap-supply-demand-equilibrium/ap-deadweight-loss-tutorial/v/taxes-and-perfectly-inelastic-demand