6,679 research outputs found

    Opinion Leaders in Real Estate Markets

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    The purpose of this research paper is to examine the influence of opinion leaders in real estate markets. First, we provide a literature review of opinion leaders and real estate markets in India. Secondly, the variables that influence the opinion leaders are established and their measurement is well defined. Thirdly, a survey has been conducted by using a self-administered questionnaire, which was sent to 234 individuals who are responsible for handling real estate firms. The research model is empirically tested in a sample of 128 respondents by using a chi-square analysis. This study finds that opinion leaders in real estate markets possess significantly higher levels in exposure to media sources, social involvement, product knowledge, innovativeness, and computer usage than non-leaders. Opinion leaders also possess a higher degree of social networking and have used the internet more frequently for longer sessions than non-leaders. Finally, we identify the key implications, conclude the research finding and explore potential avenues for future research.Financial leverage; Asset valuation; Taxation

    The aerodynamic effects of wing rotation and a revised quasi-steady model of flapping flight

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    We used a dynamically scaled model insect to measure the rotational forces produced by a flapping insect wing. A steadily translating wing was rotated at a range of constant angular velocities, and the resulting aerodynamic forces were measured using a sensor attached to the base of the wing. These instantaneous forces were compared with quasi-steady estimates based on translational force coefficients. Because translational and rotational velocities were constant, the wing inertia was negligible, and any difference between measured forces and estimates based on translational force coefficients could be attributed to the aerodynamic effects of wing rotation. By factoring out the geometry and kinematics of the wings from the rotational forces, we determined rotational force coefficients for a range of angular velocities and different axes of rotation. The measured coefficients were compared with a mathematical model developed for two-dimensional motions in inviscid fluids, which we adapted to the three-dimensional case using blade element theory. As predicted by theory, the rotational coefficient varied linearly with the position of the rotational axis for all angular velocities measured. The coefficient also, however, varied with angular velocity, in contrast to theoretical predictions. Using the measured rotational coefficients, we modified a standard quasi-steady model of insect flight to include rotational forces, translational forces and the added mass inertia. The revised model predicts the time course of force generation for several different patterns of flapping kinematics more accurately than a model based solely on translational force coefficients. By subtracting the improved quasi-steady estimates from the measured forces, we isolated the aerodynamic forces due to wake capture

    Mass-Transport Models with Fragmentation and Aggregation

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    We present a review of nonequilibrium phase transitions in mass-transport models with kinetic processes like fragmentation, diffusion, aggregation, etc. These models have been used extensively to study a wide range of physical problems. We provide a detailed discussion of the analytical and numerical techniques used to study mass-transport phenomena.Comment: 29 pages, 4 figure
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