We consider modeling errors in the hedging of a portfolio composed from BBB-rated bonds. By doing this, we open a new perspective to the debate on the relationship between corporate bonds and CDS spreads. We find that in ordinary times the added value of indexlinked credit derivatives is very...

Transaction-cost models in continuous-time markets are considered. Given that investors decide to buy or sell at certain time instants, we study the existence of trading strategies that reach a certain final wealth level in continuous-time markets, under the assumption that transaction costs,...

This paper considers the multiperiod hedging decision in a framework of mean-reverting spot prices and unbiased futures markets. The task is to determine the optimal hedging path, i.e., the sequence of positions in futures contracts with the objective of minimizing the variance of an uncertain...

Under the new Basel bank capital framework, a bank must group its retail exposures into multiple segments with homogeneous risk characteristics. The U.S. regulatory agencies believe that a bank may use the internal models, including the loan-level risk parameter estimates such as PD and LGD, to...

In this paper we use Merton's (1976) model for pricing options when the underlying asset is driven by a mixed diffusion-jump process to compute the monthly default probabilities of a bond issuer whose income is uncertain with high volatility in tax collection. In particular, the case of a...

This paper studies dynamic risk taking by a risk-averse manager who receives a bonus; the company may default on its contractual obligations (debt, fixed compensation). We show that risk-taking is time-independent, and is summarized by the so-called risk-aversion of derived utility. We highlight...

Let us consider a portfolio made by a risky asset and cash. Any (individual) investor in such a portfolio is faced with two problems. She may ask about the possible returns whenever the asset relative change is expected to vary inside a given interval. Conversely, she might lead to determine the...

We provide an analytic valuation formula for convertible bonds with regime-switching market conditions. We divide the convertible bond into a coupon-bearing bond component and an American-type exchange option component. We develop a new valuation method of the exchange option component by...

Because levered equity is an option on the firm, variations in asset idiosyncratic risk (ivol) induces a negative relationship between equity ivol and expected returns. We show that the effect is caused by the nonlinear payoff of equity and the law of one price, and is present in all but...

In this work Massimo Morini and Andrea Prampolini argue that KVA is a component of profit turned into a valuation adjustment as a by-product of regulatory constraints based on a conservative consideration of market hedges. The regulatory foundations of KVA are analyzed from RWAs to the Leverage...