I’m not saying a purely selfish agent. People are at least partially selfish, though, except for perhaps very few who are completely saintly. Let’s consider the immigration debate. You will get nowhere by arguing that open borders are a benefit to the Mexicans, but you can get somewhere by arguing that open borders are good for US businesses, or by arguing that Americans lose their jobs.
I’m not saying a purely selfish agent. People are at least partially selfish, though, except for perhaps very few who are completely saintly. Let’s consider the immigration debate. You will get nowhere by arguing that open borders are a benefit to the Mexicans, but you can get somewhere by arguing that open borders are good for US businesses, or by arguing that Americans lose their jobs.