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The theory of economic motion was András Bródy’s main interest. This paper presents a simplifi ed framework of Bródy’s economics. His multi-sector production and price theory is based on the Marxian theory of value reinterpreted by using measurement considerations. Economic motion in this framework is driven by technology represented by the internal proportions of production, not by external shocks. Prices and proportions jointly determine the economic structure and its motion (duality of prices and volumes). We derive the laws of motion of production and use of goods (consumption and accumulation) based on technological accounting balances. These laws determine a cyclical pattern. Using numerical examples we demonstrate how external changes in technology and valuations are propagated in changing the cyclical pattern of motion.

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Based on a literature review, we develop a research profile that illustrates that survey-based, trustrelated empirical research has severe limitations. It usually carries out general relationship analysis using single end or quasi two-sided sampling and classic statistical constructs. We designed and carried out an empirical research that was highly situational, applied dyadic operationalisation, pairwise sampling, and dyadic data analysis — a special statistical approach and toolset developed by psychologists and used to analyse interdependencies in relationships. Our main contribution is methodological and theoretical since the paper gives a structured overview on the methodological challenges in analysing mutuality in trust, but also in other relational attributes. The paper not only makes these methodological problems explicit, but also offers a potential solution to overcome some of their limitations.

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Abstract

Using situation-specific and dyadic data, we analyse how trust in inter-organisational relationships evolve over time. Based on a multidisciplinary approach, we define four trust-related concepts, which include both behavioural and perceptual aspects of this multifaceted phenomenon. We also develop the hypothesis that the behavioural consistency of the trustee affects the level of his/her trustworthiness as perceived by the trustor. To test this hypothesis, the paper specifies a finite Dynamic Trust Game that, in a unique way, models longer-term relationships characterised by interdependent actions between partners. In contrast to the simple Repeated Games modelling discrete exchange episodes, this game corresponds to the requirements of the interaction approach of the relationship management, since the iterations of the game are interrelated and embedded in previous ones.

Timely development of the behavioural variables in the game reflects an inverse U-shape with an increasing willingness to cooperate until round 8, with a maximum cooperation level of 80% on average. Behaviour seems to affect the perceived level of trustworthiness. However, we need additional experimental data on inconsistent behaviours to get a clear understanding of this effect.

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Orvosi Hetilap
Authors: András Dobos, Erzsébet Ruzsa, Erzsébet Molnár, Gyuláné Szakács, and Imre Kulcsár

Absztrakt:

Bevezetés: Szervezett nefrológiai ellátás Szombathelyen 1976 óta működik. Célkitűzés: Centrumunkból vesetranszplantációra kerülő betegeink sorsának követése. Módszer: Helyi és országos adatbázisok használata. Eredmények: 1976–2016 között 213 betegünknél 240 vesetranszplantáció történt: hét preemptív és 206 dializált páciensnél. Élődonoros transzplantáció 11 volt. 1976–1995 között 69, 1996–2015 között 163 transzplantáció történt. A transzplantált betegek közül jelenleg is él 122 fő (túlélésük vesepótló kezelésben átlagosan 11,4 év), hétnél az átültetés 1976–1995 között történt. A leghosszabb túlélés 35,1 év volt. A vesepótló kezelésben részesülő betegek prevalenciája megyénkben 2016 végén 1367 fő/egymillió lakos volt – 32,5%-uk beültetett vesével él. Következtetés: Az utóbbi évtizedben transzplantált betegeink száma nőtt, azonban minimális volt az élődonoros átültetés. Orv Hetil. 2017; 158(25): 984–991.

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