German academia has problems with plagiarism, says German academic.
And Chinese students in the US face prejudice from back home (and loneliness abroad).
Luigi Zingales on orphan ideas. A related incentive problem is that researchers get kudos for finding exciting new ideas, but not for repeating sensible old ones. (I once heard Alberto Alesina describe how he had given up urging Italy to reform its labour markets, and instead decided to write a model explaining why its labour markets were optimal, given Italians' desire to stay near home.... It's a really interesting model, by the way.)