Swiss doctors have a high gold content, so it is very difficult to study PhD in Sweden, because there is almost no marketization of doctoral training in Sweden, which means that there are few doctoral candidates. In Europe and America, you can become a doctoral student as long as you pay tuition. In Sweden, doctoral positions recognized by national trade unions are hard to get. You can't fish in troubled waters when studying in Sweden. If you can study PhD in Switzerland, you will be very competitive in the future.