5253x -

Based on the search results, the phrase "5253x" appears in a few different contexts rather than being a single, commonly recognized "full text." The most likely matches are:

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This appears in the title of a Springer journal article: "B2B market formation and welfare implication in a buyer's market," with a DOI suffix related to 11518-014-5253-x. This paper studies how B2B electronic markets affect buyer/seller bargaining power and social welfare.