Law 1/2013 introduced in our legal framework the obligation to report on the expected rate of return in those life insurance types where consumer doesn´t take investment risk. Ministerial Decree ECC/2329/2014 has regulated certain aspects like the life insurance types which are exempted or the methodology that has to be used to calculate expected rate of return. Rate of return of a life insurance contract is a random variable. Expected rate of return can be calculated through two approaches which are developed in this work both from a theoretic perspective -model construction-and from a practical one (application to cases).

Resumen Con la aprobación de la Ley 35/2015, se introdujo un nuevo sistema de valoración de los daños que reconoce el perjuicio patrimonial por lucro cesante de aquellos individuos que dependían económicamente de la víctima fallecida en un accidente de tráfico. Sin embargo, el sistema definido para el cálculo de las indemnizaciones por este perjuicio patrimonial produce disfunciones cuando es necesario aplicar la reducción de cuotas prevista en el artículo 87 del texto legal, resultando posible que no se resarza íntegramente el daño sufrido por cada uno de ellos, el cual es uno de los principios fundamentales del sistema. El presente trabajo tiene como objetivo analizar las disfunciones del sistema actual y proponer un sistema alternativo que de una valoración actuarial específica, se basa en una definición dinámica de la variable “cuota del perjudicado”, que toma en consideración las diferencias que puedan producirse entre las duraciones de los periodos de dependencia económica de los distintos perjudicados. Palabras clave: lucro cesante por fallecimiento, Ley 35/2015, baremo de accidentes de tráfico, reducción de cuotas, modelo alternativo, valoración actuarial. Abstract With the approval of Law 35/2015, a new system for the valuation of damages was introduced that recognizes the pecuniary loss due to loss of earnings of those individuals who were economically dependent on the victim who died in a traffic accident. However, the system defined for the calculation of compensation for this pecuniary loss produces dysfunctions when it is necessary to apply the reduction of quotas provided for in article 87 of the legal text, resulting in the possibility that the damage suffered by each of them, which is one of the fundamental principles of the system, is not fully compensated. The aim of this paper is to analyze the dysfunctions of the current system and to propose an alternative system to mitigate or even avoid them. This system, whose application would require a specific actuarial valuation, is based on a dynamic definition of the «injured party’s quota» variable, which takes into account the differences that may occur between the lengths of the periods of economic dependence of the different injured parties. Keywords: loss of earnings due to death, Law 35/2015, traffic accident scale, reduction of quotas, alternative model, actuarial valuation.

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