scholarly journals Pillars of Trust: An Experimental Study on Reputation and Its Effects

2009 ◽  
Vol 14 (5) ◽  
pp. 49-67 ◽  
Author(s):  
Riccardo Boero ◽  
Giangiacomo Bravo ◽  
Marco Castellani ◽  
Francesco Laganà ◽  
Flaminio Squazzoni
Keyword(s):  
Experimental Study ◽  
Social Interaction ◽  
Laboratory Experiments ◽  
Third Party ◽  
Reputation Mechanism ◽  
Investment Game ◽  
New Treatments

This paper presents the results of laboratory experiments on the relevance of reputation for trust and cooperation in social interaction. We have extended a repeated investment game by adding new treatments where reputation is taken more explicitly into account than before. We then compared treatments where the investor and the trustee rate each other and treatments where the investor and the trustee were rated by a third party. The results showed that: (i) third party reputation positively affects cooperation by encapsulating trust; (ii) certain differences in the reputation mechanism can generate different cooperation outcomes. These results have interesting implications for the recent sociological debate on the normative pillars of markets.

An Experimental Study of the Reputation Mechanism in a Business Game

2010 ◽  
Vol 42 (1) ◽  
pp. 27-42 ◽  
Author(s):  
Marco Greco ◽  
Antonio Maurizio Branca ◽  
Gianfranco Morena
Keyword(s):  
Experimental Study ◽  
Reputation Mechanism ◽  
Business Game

Deposition Prediction of Debris Flow Alluvial Fan Based on Experimental Study

2012 ◽  
Vol 518-523 ◽  
pp. 4819-4822
Author(s):  
Jin Feng Liu ◽  
Shun Yang ◽  
Guo Qiang Ou
Keyword(s):  
Experimental Study ◽  
Debris Flow ◽  
Statistical Method ◽  
Laboratory Experiments ◽  
Empirical Models ◽  
Alluvial Fan ◽  
Disaster Prevention ◽  
Average Accuracy ◽  
Hazardous Area ◽  
Debris Flow Disaster

The deposition prediction of debris flow hazardous area is very important for organizing and implementing debris flow disaster prevention and reduction. This paper selected the data base from laboratory experiments and applied the multiple regression statistical method to establish a series of empirical calculation models for delimiting the debris flow hazardous areas on the alluvial fan. The empirical models for predicting the maximum deposition length (Lc), the maximum deposition width (Bmax) and the maximum deposition thichness (Z0) under the condition of different debris flow volumes (V), densities (rm) and slopes of accumulation area (θd) were establised. And the verification results indicated that the established models can predict the debris flow hazards area with the average accuracy of 86%.

scholarly journals Experimental study of the effect of adding nanoparticles on the rheological properties of oil-based drilling fluids

2021 ◽  
Vol 2057 (1) ◽  
pp. 012120
Author(s):  
E I Mikhienkova ◽  
A V Minakov ◽  
A V Matveev ◽  
S V Lysakov
Keyword(s):  
Experimental Study ◽  
Rheological Properties ◽  
Systematic Study ◽  
Laboratory Experiments ◽  
Drilling Fluids ◽  
Average Size ◽  
Nanoparticle Additives

Abstract A systematic study of the effect of nanoparticles of various concentrations and sizes on the rheological properties of various oil-based drilling fluids with nanoparticle additives has been carried out. The concentration of nanoparticles in drilling emulsions varied from 0.25 to 2 wt%, and the average size of nanoparticles ranged from 18 to 100 nm. As a result of numerous laboratory experiments, formulations and technology for the preparation of stable oil-based drilling fluids with additives of nanoparticles have been developed. The effect of nanoparticles on the viscosity and rheological properties of these drilling fluids has been studied.

WHOSE IMPARTIALITY? AN EXPERIMENTAL STUDY OF VEILED STAKEHOLDERS, INVOLVED SPECTATORS AND DETACHED OBSERVERS

2013 ◽  
Vol 29 (2) ◽  
pp. 155-174 ◽  
Author(s):  
Fernando Aguiar ◽  
Alice Becker ◽  
Luis Miller
Keyword(s):  
Experimental Study ◽  
Distributive Justice ◽  
Risk Preferences ◽  
Initial Distribution ◽  
Third Party ◽  
First Person ◽  
Veil Of Ignorance

We present an experiment designed to investigate three different mechanisms to achieve impartiality in distributive justice. We consider a first-person procedure, inspired by the Rawlsian veil of ignorance, and two third-party procedures, an involved spectator and a detached observer. First-person veiled stakeholders and involved spectators are affected by an initially unfair distribution that, in the stakeholders’ case, is to be redressed. We find substantial differences in the redressing task. Detached observers propose significantly fairer redistributions than veiled stakeholders or involved spectators. Risk preferences partly explain why veiled stakeholders propose less egalitarian redistributions. Surprisingly, involved spectators, who are informed about their position in society, tend to favour stakeholders holding the same position as they do after the initial distribution.

Toward 3D passive radar exploiting DVB-T2 transmitters of opportunity

2019 ◽  
Vol 11 (7) ◽  
pp. 577-583 ◽  
Author(s):  
Aleksey Barkhatov ◽  
Evgenii Vorobev ◽  
Vladimir Veremyev ◽  
Vladimir Kutuzov
Keyword(s):  
Experimental Study ◽  
Antenna Array ◽  
Three Dimensional ◽  
Technical Specification ◽  
Third Party ◽  
Passive Radar ◽  
Two Dimensional ◽  
Digital Video Broadcasting ◽  
Video Broadcasting ◽  
3D Localization

This article presents the configuration and technical specification of the passive radar exploiting third-party transmitters of second-generation digital video broadcasting standard DVB-T2 as illuminators of opportunity. The performance of the two-dimensional (2D) passive radar estimated based on theoretical and experimental study is described. The possible configuration of the 2D non-equidistant antenna array for the three-dimensional (3D) passive radar is proposed to ensure the 3D localization of detected targets. The experimental results on drone detection conducted with the 3D passive radar show that the radar with the 2D antenna array is capable to measure not only azimuth but also elevation and consequently target altitude.

scholarly journals Intermediation Reduces Punishment (and Reward)

2011 ◽  
Vol 3 (4) ◽  
pp. 77-106 ◽  
Author(s):  
Lucas C Coffman
Keyword(s):  
Decision Making ◽  
Charitable Giving ◽  
Laboratory Experiments ◽  
Third Party ◽  
Moral Decision ◽  
Separate Study ◽  
Moral Decision Making

This paper shows moral decision making is not well predicted by the overall fairness of an act but rather by the fairness of the consequences that follow directly. In laboratory experiments, third-party punishment for keeping money from a poorer player decreases when an intermediary actor is included in the transaction. This is true for completely passive intermediaries, even though intermediation decreases the payout of the poorest player and hurts equity, and because intermediation distances the transgressor from the outcome. A separate study shows rewards of charitable giving decrease when the saliency of an intermediary is increased. (JEL A13, D63, D64)

Study of dynamics of value systems of youth’s leaders under pedagogical conditions of value-motivational development

2020 ◽  
pp. 23-27
Author(s):  
A.A. Oschepkov ◽  
◽  
V.V. Friauf
Keyword(s):  
Experimental Study ◽  
Leadership Development ◽  
Social Interaction ◽  
Theoretical Analysis ◽  
Value Systems ◽  
Study Results ◽  
Values Development ◽  
High Level ◽  
Group Interests

Presented is study in the problem of leadership in youth environment, in frames of which theoretical analysis of scientific works was conducted. The analysis showed, that the most actual in the present time is the value approach to leadership development for verification of which is experimental study is conducted. Results of the experiment showed dynamics of changes in values systems of both girls and boys during the period of conducting psycho-pedagogical program of values development. The analysis of experimental study results showed, that values orientations system of girls with high level of leader’s ability is oriented to social interaction, and values orientations system of boys with high level of leader’s ability is oriented to inner-group interests.

An Experimental Study on Flood Control Capability of Dry Dams Constructed in a Series

2015 ◽  
Vol 10 (3) ◽  
pp. 467-474 ◽  
Author(s):  
Hideo Oshikawa ◽  
◽  
Yuka Mito ◽  
Toshimitsu Komatsu ◽  
◽  
...  
Keyword(s):  
Experimental Study ◽  
Flood Control ◽  
Laboratory Experiments ◽  
Slide Gate ◽  
Reservoir Capacity ◽  
Control Effect ◽  
Flood Disasters ◽  
Control Capability ◽  
Cascade Method ◽  
Large Dam

The new Cascade concept of flood control is demonstrated in laboratory experiments in which upstream dams in a series of dams constructed along a river overflow from emergency spillways while the final downstream dam is required only to use its normal spillway and never do its emergency spillway. Multiple small dry dams lacking a slide gate in a normal spillway should be constructed in a series rather than as a single large dam to prevent flood disasters and to preserve the natural environment. Dry dams for flood control have recently been reviewed, planned, and built at sites in Japan. In this paper, we compare the Cascade method to conventional flood control in laboratory experiments conducted based on the condition that dams all have the same reservoir capacity. Results have shown that the Cascade method using multiple dry dams was considerably more effective than conventional flood control. Furthermore, the additional flood control effect of a dry dam equipped with closable and openable gate in its regular spillway was experimentally confirmed although there is no such kind of the gate on an ordinary dry dam. This new dry dam should be constructed in the river’s upper reaches away from the existing downstream storage dam needing still more its capacity for water utilization, thus ensuring the amount of water available by closing the regular spillway after the dry dam is filled to capacity. The flood control capacity of dams including the new dry dam is stronger than that of an ordinary storage dam thanks to the dry dam’s storage function.

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