Regarding this paper:
Before and during the war, in England there was an immigration stop for jews and other persecuted people seeking asylum.
History is becoming blurred, but there have been some publications
http://www.history.ac.uk/reviews/review/221
After the war, rebuilding of Germany. Marshal plan? Who paid for this?
Rebuilding of Germany was almost entirely paid for with the US-initiated Marshal plan. After it was allowed to produce and trade again from 1950 on, it bypassed England financially, and stopped the rationing of food before England.
England allowed a lot of immigrants from the commonwealth:
http://www.bbc.co.uk/timelines/zxm6pv4
Also some insightful reports of english officers serving in Germany after the war, about economy and management of resources in comparison.
imho this paper is nothing short of chauvinism.