Evidence of non-Markovian behavior in the process of bank rating migrations

Number: 
448
Published: 
Classification JEL: 
C4, E44, G21, G23, G38
Keywords: 
Human capital agglomeration, Social returns, Private returns, Externalities, Uncertainty, Fiscal policy

This paper estimates transition matrices for the ratings on financial insti-tutions, using an unusually informative data set. We show that the process of rating migration exhibits significant non-Markovian behavior, in the sense that the transition intens