Since 1970s, especially 1990s, periodicals publishers have been increasingly monopolized and controlled periodical pub1ished market and greatly increased the periodical price.

• 摘要20世纪70年代以来，特别是90年代以来，期刊出版商日益垄断并控制期刊出版市场，并大幅度提高期刊价格，而图书馆经费面临日益缩减的趋势。