Smuggling is a serious problem, but the report concludes that, even where it occurs at high rates, tax increases bring greater revenues and reduce consumption.
Curry's Paradox is a serious problem for logicians who are interested in developing formal languages that are"semantically closed"(i.e. that can express their own semantics).
The incident demonstrated that illegal immigration was a serious problem, that Bengali Muslims were a political scapegoat, and, most significantly, that pogroms could be politically profitable.
Corruption remains a serious concern in the large and socially accepted entertainment industry in Japan, but government efforts against such corruption have been inadequate.
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