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Endogenous trading in Credit Default Swaps

We introduce a real options model in order to quantify the moral hazard impact of credit default swap (CDS) positions on the corporate default probabilities. Moral hazard is widely addressed in the insurance literature, where the insured agent may become less cautious about preventing the risk from occurring. Importantly, with CDS the moral hazard problem may be magnified since one…

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English / 01/04/2016

Québécoisation method for the pricing of Parisian options with jump risk

In this paper, a new technique for pricing of European and American Parisian options, that we call the québécoisation method, is developed. We study the pricing of Parisian options in a hyper-exponential jump-diffusion model using the double Laplace-Carson transform with respect to the time to maturity and the residual Parisian time (time to expiration of the Parisian window) of the…

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English / 10/02/2016

Interconnectedness as a source of uncertainty in systemic risk

Financial networks have shown to be important in understanding systemic events in credit markets. In this paper, we investigate how the structure of those networks can affect the capacity of regulators to assess the level of systemic risk. We introduce a model to compute the individual and systemic probability of default in a system of banks connected in a generic network of credit…

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English / 02/02/2016

Collateralization, bank loan rates, and monitoring

We show that collateral plays an important role in the design of debt contracts, the provision of credit, and the incentives of lenders to monitor borrowers. Using a unique data set from a large bank containing timely assessments of collateral values, we find that the bank responded to a legal reform that exogenously reduced collateral values by increasing interest rates, tightening…

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English / 01/01/2016

Decoding Financial Networks: Hidden Dangers and Effective Policies

Two changes have ushered in a new era of analyzing the complex and interdependent world surrounding us. One is related to the increased influx of data, furnishing the raw material for this revolution that is now starting to impact economic thinking. The second change is due to a subtler reason: a paradigm shift in the analysis of complex systems.

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English / 01/01/2016

Financial fragility and distress propagation in a network of regions

Building on previous works on business fluctuations, we model the propagation of financial distress in a network of regions, each populated by heterogeneous interacting firms and banks. In order to diversify risk, firm sell goods outside their own region and borrow from banks located there. However, this results in ties across regions which propagate financial distress across…

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English / 01/01/2016

DebtRank and the network of leverage

The interconnectedness of the financial system is one of the main factors contributing to systemic risk. The financial crisis has shown how the network of intrafinancial exposures may, in times of systemic distress, amplify initially small shocks. In this work, the authors build on the DebtRank methodology by introducing the notion of a network of leverage and propose a two-round…

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English / 01/01/2016

Complexity theory and financial regulation

Traditional economic theory could not explain, much less predict, the near collapse of the financial system and its long-lasting effects on the global economy. Since the 2008 crisis, there has been increasing interest in using ideas from complexity theory to make sense of economic and financial markets. Concepts, such as tipping points, networks, contagion, feedback, and resilience…

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English / 01/01/2016

The financial system as a nexus of interconnected networks

In this Chapter, we describe the phenomenology of multilevel financial networks. Network analysis represents a useful tool for the analysis of financial systems, allowing, in particular, for a better understanding of the mechanics of systemic distress. However, the level of complexity reached by the financial system, coupled with the linkages arising to and from other economic…

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English / 01/01/2016

Sorry, we're closed: Loan conditions when bank branches close and firms transfer to another bank

We study loan conditions when bank branches close and firms subsequently transfer to a branch of another bank in the vicinity. Such transfer loans allow us for the first time to observe the conditions granted when banks pool-price new applicants. Consistent with recent theoretical work on hold up in bank-firm relationships we find that transfer loans do not receive the discount in…

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English / 01/01/2016

Valuations of options on discretely sampled variance: A general analytic approximation

The values of options on realized variance are significantly impacted by the discrete sampling of realized variance and may be substantially higher than the values of options on continuously sampled variance (or, quadratic variation). Under arbitrary stochastic volatility dynamics, we analyze the discretization effect and obtain a simple analytical correction term to be applied to…

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English / 01/01/2016

Shocks abroad, pain at home? Bank-firm level evidence on financial contagion during the recent financial crisis

We study the international transmission of shocks from the banking to the real sector during the global financial crisis. For identification, we use matched bank-firm level data, including many small and medium-sized firms, in Eastern Europe and Central Asia. We find that internationally-borrowing domestic and foreign-owned banks contract their credit more during the crisis than…

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English / 01/01/2016

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