In the late 1950s a number of European countries (most notably West Germany and France) decided on a migration policy known as the buffer theory. Owing to rapid economic recovery in the post-World War II period (aided by the American Marshall plan) there were many more job vacancies than people who were available or becoming available in the workforce to fill them.
In the late 1950s a number of European countries (most notably West Germany and France) decided on a migration policy known as the buffer theory. Owing to rapid economic recovery in the post-World War II period (aided by the American Marshall plan) there were many more job vacancies than people who were available or becoming available in the workforce to fill them.
Source: Wikipedia "Buffer theory" · CC BY-SA 4.0
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