Cieľom štúdie je analyzovať a prezentovať integrovaný obraz o faktoroch, ktoré podmieňujú a ovplyvňujú finančné voľby jednotlivcov v súčasnosti. Autorka najskôr charakterizuje súčasné spoločenské prostredie, v ktorom obyčajní ľudia uskutočňujú svoje finančné rozhodnutia. Potom sa venuje limitovaným kapacitám osoby zvládať finančné rozhodnutia. Nakoniec uvádza problematiku finančných úloh, ktorým jednotlivci musia v súčasnosti čeliť. Dôraz pritom kladie na možnosti dizajnovania úloh finančného rozhodovania tak, aby viac zodpovedali kognitívnym a osobnostným kapacitám jednotlivcov a optimalizovali ich rozhodnutia. Na záver autorka konštatuje, že súčasná ekonomická veda pociťuje potrebu psychologického vhľadu do ekonomického diania. Potreba vypracovať ucelenú psychologickú teóriu ekonomického správania (vrátane finančného rozhodovania jednotlivcov) sa stáva vysoko aktuálnou., The goal of the study is to analyze and present the integrated picture of factors conditioning and influencing the financial choices of individuals in the present. At first, the author characterizes the present social milieu, in which the common people realize their financial decisions. Thereafter, she deals with the limited capacities of an individual to manage financial decisions. In the end, she presents the problems of financial tasks, which the individuals have to face today. The emphasis is given on the possibilities of designing the financial decision making tasks in the way more corresponding to cognitive and personality capacities of individuals and optimizing their decisions. In the conclusion, the author states that the contemporary economic science experiences the need of psychological insight into the economic affairs. The need of elaboration the comprehensive psychological theory of economic behavior (including individual financial decision making) becomes the front burner., Viera Bačová., and Obsahuje seznam literatury
A novel method was used to study dispersal in the spruce bark beetle, Ips typographus (L.), under epidemic conditions (rapidly increasing population density) in the Šumava National Park. Infested spruce logs were coated with a fine fluorescent powder and the passively marked emerging beetles were captured in pheromone baited traps located at various distances from these logs. The number of marked beetles captured decreased exponentially with increasing distance from the release point. The sex ratio of the bark beetles was more female biased the further they were recaptured from the logs, being 57% and 60% at distances of up to 50 and 100 m, respectively. The maximum distance flown by a marked beetle recorded in this experiment was 1094 m. A model fitted to the data on dispersal indicates that 10% of the spruce bark beetles dispersed over distances of 55 m and 4 m in spring (overwintered parental generation) and summer (first filial generation), respectively. Differences between spring and summer swarming are briefly discussed., Petr Doležal, Jan Okrouhlík, Markéta Davídková., and Obsahuje bibliografii
The function and structure of the ovipositor in Hymenoptera have been studied intensively, although there is a lack of information on the external sheaths. We provide here a contribution on the structure of the external sheaths of the ovipositor of the parasitic wasp Aphidius ervi, in particular the secretory structure is described for the first time. These glands are made up of a large epithelial structure that consists a single layer of large secretory cells that occupy most of the lumen of the valve and belong to gland cell class 1. Based on the different features of the glands, a lubricating and/or host marking function is hypothesized and discussed., Sara Ruschioni, Paola Riolo, Roberto Romani, Donatella Battaglia, Nunzio Isidoro., and Obsahuje bibliografii
Parameters of finite seismic source model were determined for a set of 36 selected events of the West Bohemia 2000 earthquakes swarm (Ml from 1.7 to 3.0) using stopping phases method. Two stopping phases are generated along the source border where the rupture process terminates and these phases form Hilbert transform pair, which is also the criterion for their identification. Circular and e liptical source models were considered and corresponding source parameters were calculated by inverting interpreted stopping phases delays. As generalization of circular to elliptical model was found to be statistically insignificant, only results related to the circular source including error estimates are presented. Our results are in a good agreement with previously published theoretical formula concerning source radius and magnitude and also fairly well confirm general theoretical assumption about constant stress drop. The determined stress drop ranges between 1 - 10 MPa with the typical value of 2.4 MPa., Petr Kolář and Bohuslav Růžek., and Obsahuje bibliografické odkazy
We study the relations between finitistic dimensions and restricted injective dimensions. Let R be a ring and T a left R-module with A = EndRT. If RT is selforthogonal, then we show that rid \left ( T_{A} \right )\leqslant findim(A_{A})\leqslant findim \left ( _{R}T \right )+rid\left ( T_{A} \right ). Moreover, if R is a left noetherian ring and T is a finitely generated left R-module with finite injective dimension, then rid \left ( T_{A} \right )\leqslant findim(A_{A})\leqslant fin.inj.dim \left ( _{R}R \right )+rid\left ( T_{A} \right ). Also we show by an example that the restricted injective dimensions of a module may be strictly smaller than the Gorenstein injective dimension., Dejun Wu., and Obsahuje seznam literatury
The localisation and distribution of the serotoninergic nerve elements was studied for the first time in the flatworm Chimaericola leptogaster (Leuckart, 1830) using immunocytochemical methodology and confocal laser scanning microscopy. The musculature was investigated by histochemical staining of actin filaments; scanning electron microscopy was used to identify the sensory structures on the worm's surface. Uniciliated, bi-ciliated and multiciliated sensory endings have been described on the worm's surface. The morphological data demonstrate the presence of circular, longitudinal and diagonal muscles that comprise the musculature of C. leptogaster in the anterior, median and posterior body regions. Well-developed radial and circular muscle fibres were also observed surrounding the genital pore, two vaginae and in clumps of the haptor. The study revealed the presence of biogenic amine, serotonin, in the central and peripheral nervous systems of C. leptogaster: in the neurons and fibres of the cephalic ganglia and ventral nerve cord, in the innervation of reproductive system compartments. The localised sites of the serotoninergic elements point to important roles of serotonin in monogenean reproductive processes and, possibly, in the regulation of muscle function., Natalya V. Mochalova, Nadezhda B. Terenina, Larisa G. Poddubnaya, Valery A. Yashin, Andrei V. Kuchin, Natalya D. Kreshchenko., and Obsahuje bibliografii
The mitochondrial genome of Mesomelena mesomelaena (Loew, 1848) is the first to be sequenced in the flesh fly subfamily Miltogramminae (Diptera: Sarcophagidae). The 14,559 bp mitogenome contains 37 typical metazoan mitochondrial genes: 13 protein-coding genes, two ribosomal RNA genes and 22 transfer RNA genes, with the same locations as in the insect ground plan. All the protein-coding genes have the start codon ATN, except for cox1 (TCG). Eight protein-coding genes have the stop codon TAA, while the remaining five have the stop codon T (cox1, cox2, nad5, and nad4) or TAG (cytb). Synonymous and non-synonymous substitution rates (Ks and Ka) for each protein-coding gene indicate that these genes evolved primarily under negative (or purifying) selection (Ka < Ks). Phylogeny of Sarcophagidae is proposed based on all the sarcophagid mitogenomes in GenBank, and the subfamily topology is reconstructed as (Sarcophaginae (Paramacronychiinae, Miltogramminae))., Liping Yan, Ming Zhang, Yunyun Gao, Thomas Pape, Dong Zhang., and Obsahuje bibliografii