Many of the concepts in theoretical and empirical finance developed over the past decades – including the classical portfolio theory, the Black-Scholes-Merton option pricing model or the RiskMetrics variance-covariance approach to VaR – rest upon the assumption that asset returns follow a...

This paper is intended as a guide to building insurance risk (loss) models. A typical model for insurance risk, the so-called collective risk model, treats the aggregate loss as having a compound distribution with two main components: one characterizing the arrival of claims and another...

This paper is intended as a guide to simulation of risk processes. A typical model for insurance risk, the so-called collective risk model, treats the aggregate loss as having a compound distribution with two main components: one characterizing the arrival of claims and another describing the...

We develop a simple test for deviations from power law tails, which is based on the asymptotic properties of the empirical distribution function. We use this test to answer the question whether great natural disasters, financial crashes or electricity price spikes should be classified as dragon...

The article presents the initial proposal for the group risk measurement based on the comparison of two interconnected sets of webs. The risk scalar has been presented both for each separated subsidiary as well as for the group itself. It was shown the risk profile of the group could be...

Author challenges one of the oldest accounting double bookkeeping rules, used since 1494, and proposes instead application of the quadruple accounting entry. He presents the concept of the multiply accounting entry for the risk financial statements and risk management. The development gap...

"Power security" is a term inevitably related to "risk" and "risk management". Sound risk management practices will not only lead to more financially stable performance of the power sector, but also to a more secure power system. In this article we comment on integrated risk management and its...

The correlation analysis was conducted on dynamic of GDP and company failure rate for Poland, Europe and USA for the period 2003-2011; it was found a negative correlation. An analysis was undertaken for the relation between the rate of corporate failure in Poland and the rate of change of overall...

The paper presents the approach for the verification of the lemma used for the model for reputation risk for subsidiaries of non-public group with reciprocal shareholding as proposed by the author in priory works. For all entities with the absolute value of the reputation risk greater than the...