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Starting from the Merton framework for firm defaults, we provide the analytics and robustness of the relationship between default correlations. We show that loans with higher default probabilities will not only have higher variances but also higher correlations between loans. As a consequence,...
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generations, even if the underlying productivity risk is small or zero. We conclude that a joint policy package of orderly default …
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We demonstrate the advantages of a climate treaty based solely on rules for international permit markets when there is uncertainty about abatement costs and environmental damages. Such a ‘Rules Treaty’ comprises a scaling factor and a refunding rule. Each signatory can freely choose the...
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-space approach of Arrow-Debreu. A host of new interesting economic issues emerge. First, risk averse agents can attempt to insure … an open question. Second, one may ask more specifically what is the role of social groups for risk sharing and risk … allocation when agents face idiosyncratic or aggregate risk. Third, does a suitable combination of social group formation and …
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