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bonds. The criteria to optimize the credit portfolio is based on l∞-norm risk measure and the proposed optimization model is … formulated as a linear programming problem. The input parameters to the optimization model are rate of returns of bonds which are … obtained using credit ratings assuming that credit ratings of bonds follow a semi-Markov process. Modeling credit ratings by …
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This paper provides evidence for regulatory arbitrage within the class of asset-backed securities (ABS) based on individual asset holding data of German banks. I find that banks operating with tight regulatory constraints exploit the low risk-sensitivity of rating-contingent capital requirements...
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