If X=HIV victims in Chad, Y=malaria victims in Gabon, to a pretty good approximation you do that every time you donate to a charity supplying antiretrovirals in Chad rather than one distributing bed-nets in Gabon. Time and other resources are scarce for each of us, and we have to deal with it.
Anne,
If X=HIV victims in Chad, Y=malaria victims in Gabon, to a pretty good approximation you do that every time you donate to a charity supplying antiretrovirals in Chad rather than one distributing bed-nets in Gabon. Time and other resources are scarce for each of us, and we have to deal with it.