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Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This paper deals with the mathematical characterizations of economic morphogenetic models, introduced in a previous paper, obtained through a theorem establishing a direct connection between the formalized definition of a morphogenetic system and some inequalities to be satisfed by the coefficients of the variational system associated to an homogenous equilibrium solution. Besides, it is proposed the study of a particular model, giving an explicit proof, to this regard, of the fact that it is a morphogenetic model. This later is examined in order to find its connections with Goodwin's model of economic cycle and the appearance of self-oscillatory behaviour. [ABSTRACT FROM AUTHOR]

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

We publish seventeen letters by Eugenio Beltrami to Ernesto Cesàro, which are dated from 1883 until 1900. They are about academic and scientific questions. Beltrami communicated many of Cesàro's memoirs to the 'Accademia dei Lincei' or the 'Istituto Lombarde di Scienze e Lettere', and often gave him suggestions for his books and papers in these letters. When Cesàro looked for a professorship in the United States, Beltrami gave him information. In some letters Beltrami discussed questions on geometry and mathematical physics. In particular, the third letter (dated December 1st, 1888) is devoted to the mechanical interpretation of Maxwell's equations. Here, Beltrami shows a new proof of the conditions when six given functions are the components of an elastic deformation. [ABSTRACT FROM AUTHOR]

Father Gesualdo Melacrinò (1725-1803), from Reggio Calabria (Italy), is an unknown Capuchin philosopher and theologian, who produced several works at the time he was teaching (only five years, from 1748-53); these works contained an original approach to the foundations and philosophy of mathematics. His main purpose was to reconciliate the classical traditions with the reality of his time. For him, this included a critical examination of the scholastic curriculum and a new orientation towards the methodological relevance of mathematics for all other sciences, especially for philosophy. Concerning mathematics, he emphasized the necessity of a basic revision and logical reconstruction of its foundations. This paper provides a comparative examination of Melacrinò's work with reference to its cultural and historical environment. [ABSTRACT FROM AUTHOR]

This paper provides the first presentation together with a historical and critical analysis of the Filosofia delle Matematiche of the philosopher (and mathematician?) P. Galluppi. The work, which until now escaped the attention of scholars of the Studi Galluppiani, is preserved in a manuscript in the archives of the National Library in Naples. The manuscript represents one of the first independent works explicitly and exclusively dedicated to the 'philosophy of mathematics', considered as an autonomous field of research, and is closely related to Galluppi's well known treatise Su l'analisi e su la sintesi (1807, 1935). Galluppi's philosophy of mathematics is analysed in its contextual relations with the philosophy of Kant and of Condillac. Of special interest are his relevant remarks concerning the axiomatic foundations of Euclid's Elements, where a particular emphasis is given to the postulate of parallels. [ABSTRACT FROM AUTHOR]

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Nella letteratura finanziaria è ricorrente la presenza di problemi ai valori iniziali o ai limiti, non omogenei, la cui soluzione può essere espressa in forma integrale. A tal fine si utilizza un nucleo, detto funzione di Green, di cui è possibile indagare le proprietà e fornire un'interpretazione probabilistica. Il presente lavoro esamina e rielabora tale metodo risolutivo, usato per la valutazione di funzionali di processi stocastici privi di fattori di sconto. D'altro canto, nella letteratura finanziaria sono presenti funzionali al cui interno è riconoscibile un fattore di sconto. Definiremo la funzione di Green anche in relazione ad essi e li studieremo al di fuori del caso browniano, già noto. Second-order ordinary differential equations, both linear and non-homogeneous, play an important role in Finance. Integral form solutions to the corresponding initial or boundary-value problems - in the spirit of the Feynmac-Kac representation - are well-known. They are based on a kernel, known as Green's function. This method has been applied almost exclusively to the representation of functionals of stochastic processes with no discount factor. In Finance however we are mainly concerned with functionals presenting a discount factor, which have been extensively studied for the brownian case only. As a consequence, the paper firstly reviews the concept and properties of the Green function, especially with reference to the standard evaluation of functionals of stochastic processes. Secondly, it develops a Green's function approach for discounted functionals. Finally, it suggests applications and extensions. [ABSTRACT FROM AUTHOR]

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In questo lavoro si introduce il concetto di certo equivalente nell'ambito della teoria HSSB e si mostra come tale teoria riesca a spiegare il fenomeno del rovesciamento delle preferenze nei casi più comuni. Vengono poi illustrate alcune proprietà generali del nuovo concetto di certo equivalente. In this paper a new concept of certainty equivalent, in the framework of HSSB theory, is introduced. It is shown that this new point of view can explain the preference reversal phenomenon in some cases. Finally, several properties of the HSSB certainty equivalent are explained in detail. [ABSTRACT FROM AUTHOR]

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In this paper a sufficient condition for multivariate stochastic dominance is proposed. Such a condition is particularly intersesting in the bivariate case because of its simplicity. A numerical example is presented and worked out in detail. [ABSTRACT FROM AUTHOR]

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The aim of this paper is that of introducing a new class of economic dynamical models, wich we have called «morphogenetic systems»; these latters are been constructed in order to generalize classical Goodwin's model of business cycle. Morphogenetic systems account for the spatial features, besides the temporal ones, of economic dynamics; for this reason they are based on reaction-diffusion partial differential equations. This work results in a formalized definition of these systems; one, thus, can mathematically characterize them in a univocal way. [ABSTRACT FROM AUTHOR]

In this paper we apply the SSB theory to the problem of choice among probability distributions. We propose a criterion of choice based on the SSB model and establish a necessary and sufficient condition for it. Finally, a comparison with the usual first order stochastic dominance rule is made. [ABSTRACT FROM AUTHOR]

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Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Decisions in Economics & Finance is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In questo lavoro viene postulata e analizzata, in regime d'inflazione, una determinata condizione d'indifferenza per il contraente verso una generica polizza vita. Essa, usata da sola e insieme ad una seconda condizione standard, permette di introdurre due indici di «commerciabilità» per dette polizze, uno relativo e l'altro assoluto. In presence of an inflation rate y>0, the «actual» annual rate of interest, ī, produced by a generical life assurance policy results lower than the «nominal», i, fixed on the technical basis but at same time the policy-holder's disinclination for the risk decreases. We consider a determinate indifference condition for the policy-holder to a generical life assurance policy and examine the consequent relations among the variables i, y and α, the revaluation coefficient of the premiums, life annuity funds and insured capitals. In this paper we also introduce two indexes of «marketability» - one of them is relative and the other one is absolute - for a generical life assurance policy in inflation time. [ABSTRACT FROM AUTHOR]