Results 61 to 70 of about 101,530 (333)
Collision‐Resilient Winged Drones Enabled by Tensegrity Structures
Advanced Robotics Research, EarlyView.Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui +5 more
wiley +1 more source
A Langevin Approach to Stock Market Fluctuations and Crashes
, 1998 We propose a non linear Langevin equation as a model for stock market fluctuations and crashes. This equation is based on an identification of the different processes influencing the demand and supply, and their mathematical transcription.
Bouchaud, Jean-Philippe, Cont, Rama
core +3 more sources
Topological Properties of International Commodity Market: How Uncertainty Affects the Linkages?
Agribusiness, EarlyView.ABSTRACT The study aims to explore the network topology of the international commodity market by examining the interconnections among 21 commodity futures across various categories, including energy, precious and industrial metals, and agriculture. We analyze the market structure of these commodity futures under both low and high uncertainty conditions
Ibrahim Yagli, Bayram Deviren
wiley +1 more source
Confessions of a Poverty Researcher: My Journey Through the Foothills of Scholarship
Australian Journal of Social Issues, EarlyView.ABSTRACT This paper describes the key events, experiences and ideas that influenced the author's career as a poverty researcher. He describes how his early disillusion with economics was replaced by a spark of interest in social issues and how his migration from the UK to Australia in the mid‐1970s provided the impetus to begin what became a lifetime ...
Peter Saunders
wiley +1 more source
Press freedom and stock price crash risk
Journal of Accounting and Public PolicyData availability: Data will be made available on request. This paper examines the impact of press freedom, an important institutional factor, on stock price crash risk. Using a large international sample of firms across 52 economies between 2002 and 2021, we find that firms in economies with higher degrees of press freedom are associated with lower ...
Hui, Z, Dong, Y, Li, H
openaire +2 more sources
Short selling and stock price crash risk [PDF]
Journal of Derivatives and Quantitative Studies, 2020 This paper aims to investigate short selling and stock price crash risk. The authors find that short selling is positively associated with one-month-ahead stock price crash risk, consistent with the literature showing that short sellers are informed traders.
Jay M. Chung, Shu-Feng Wang
openaire +2 more sources
Testing for financial crashes using the Log Periodic Power Law mode [PDF]
, 2013 A number of papers claim that a Log Periodic Power Law (LPPL) fitted to financial market bubbles that precede large market falls or 'crashes', contain parameters that are confined within certain ranges.
Bree, David S., Joseph, Nathan Lael
core +2 more sources
Archaeological Prospection, EarlyView.ABSTRACT This study presents a strong framework for the detection and classification of Submerged Cultural Heritage Assets (SCHA) in shallow marine environments using the integration of multibeam echosounder and airborne LiDAR bathymetry with object‐based image analysis and fuzzy logic–based classification.
Łukasz Janowski +4 more
wiley +1 more source
Social Trust, External Monitoring and Stock Price Crash Risk: Testing Complementary and Substitution Theory [PDF]
بررسیهای حسابداری و حسابرسی, 2017 Social trust is considered as a socio-economic factor that influences organizational or individual behaviors. As such, CEOs with high social trust behave more honestly and are less likely to hide bad news, which lead to reducing corporate stock price ...
Yasser Rezaei Pitenoei +2 more
doaj +1 more source
Analyst Concern and Stock Price Crash Risk [PDF]
, 2015 随着整个中国社会经济的不断发展，证券市场也越来越被人们所熟知，越来越多的人也切身参与到了证券市场当中，成为一名投资者。证券市场是一个风险与机遇并存的市场，在最具代表性的股票市场中，股票价格的暴跌无疑是所有投资者最为恐惧和忌惮的现象。股价的暴跌不仅直接损害了投资者的利益，更会引发一连串的连锁反应，甚至危害到实体经济的发展。因此本文立足于股票市场，拟从分析师的角度入手，对股价暴跌风险的诱因进行探索。 本文选取了A股上市公司2004年至2013年数据，从分析师关注的角度出发，分别研究了分析师关注 ...
鲁威朝
core