Sentence:  The report . . . called for a review of the effect of what it called a <WSD>revolving door syndrome</WSD>, in which analysts leave to work for an issuer whose debt they were rating. 
Meaning of the word marked with <WSD> tags:  A situation in which an individual changes employers, perhaps more than once, switching between (a) employment with the government or with an organization having oversight authority and (b) employment with an organization regulated by or overseen by the other employer.