Those companies knew they had a captive audience, so they bought up as many journals as they could. Journal articles aren’t interchangeable commodities like corn or soybeans—if your science supplier starts gouging you, you can’t just switch to a new one. Adding to this lock-in effect, publishing in “high-impact” journals became the key to success in science, which meant if you wanted to move up, your university had to pay up. So, even as the internet made it much cheaper to produce a journal, publishers made it much more expensive to subscribe to one.
消息方面,3月3日,A股主要股指呈现宽幅震荡格局,沪指早盘一度创出今年以来新高,但午后翻绿且跌幅持续扩大。盘面上,石油石化、银行两大权重板块领涨。国际油价延续强势,布伦特原油期货昨日突破80美元/桶关口,近两日涨幅约10%。国内期市方面,集运指数(欧线)、燃油、原油、低硫燃料油、甲醇、液化石油气、塑料期货主力合约昨日均涨停,其中燃油、原油、低硫燃料油期货涨停板幅度扩大至12%。
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But analysis of Cabinet Office documents by the BBC has found government departments spent around £101m from April 2023 to June 2025.