Athletes who had never competed internationally were exempt and could change citizenship and be immediately eligible internationally.
Over the years, a number of athletes have changed citizenship to participate for another country in the Olympics.
Hundreds of Chinese table tennis players have competed for other nations, but not all have changed citizenship.
required any athlete who had competed internationally and then changed citizenship to wait three years before competing for his new country.
During the life course, an employee may move from one country to another and obtain a second citizenship, or change citizenship.
Unfortunately, the GSOEP does not provide information on children's citizenship, so we are unable to see what percentage of children in our sample actually changed citizenship as a result of the law.
However, it is true that certain individuals who had migrated from the country and changed citizenship would subsequently be lost to follow-up on such a national database.
Because of these loopholes, human rights groups report that the changes to citizenship policies have created tens of thousands of stateless people, with some estimates exceeding 100,000.
Mr Schröder's government paved the way in the early 2000s, with changes in citizenship rules and a scheme to encourage foreign engineers and IT experts to come to Germany.
In turn, you suddenly start to pay attention to shows like Money Box Live (Wednesday, 3pm, Radio 4), in which the gently sympathetic Paul Lewis fields questions from rattled listeners about ISAs, pensions, balanced portfolios, even changes of citizenship, and puts them to the experts, who provide comprehensible, but not quite detailed, answers.
