Results 81 to 90 of about 273,630 (297)

Impacts of Company Diversification Strategy on Crash Risk of Stock Price with Emphasis on Agency Costs [PDF]

مجله دانش حسابداری, 2018
This study examines the impacts of company diversification strategy on crash risk of stock price with emphasis on agency costs in the companies listed in the Tehran Stock Exchange, TSE.
Rasoul Baradaran Hassanzadeh (Ph.D), Vahid Taghizadeh Khanqah   +1 more
doaj   +1 more source

Proactive Assessment of Accident Risk to Improve Safety on a System of Freeways, Research Report 11-15 [PDF]

, 2012
This report describes the development and evaluation of real-time crash risk-assessment models for four freeway corridors: U.S. Route 101 NB (northbound) and SB (southbound) and Interstate 880 NB and SB.
Nuworsoo, Cornelius, Pande, Anurag, Shew, Cameron   +2 more
core   +1 more source

Crash Risk in Currency Markets [PDF]

, 2009
How much of carry trade excess returns can be explained by the presence of disaster risk? To answer this question, we propose a simple structural model which includes both Gaussian and disaster risk premia and can be estimated even in samples that do not
Farhi, Emmanuel, Fraiberger, Samuel, Gabaix, Xavier, Ranciere, Romain, Verdelhan, Adrien   +4 more
core   +1 more source

ChatCFD: A Large Language Model‐Driven Agent for End‐to‐End Computational Fluid Dynamics Automation with Structured Knowledge and Reasoning

Advanced Intelligent Discovery, EarlyView.
Chat computational fluid dynamics (CFD) introduces an large language model (LLM)‐driven agent that automates OpenFOAM simulations end‐to‐end, attaining 82.1% execution success and 68.12% physical fidelity across 315 benchmarks—far surpassing prior systems.
E Fan, Kang Hu, Zhuowen Wu, Jiangyang Ge, Jiawei Miao, Yuzhi Zhang, He Sun, Weizong Wang, Tianhan Zhang   +8 more
wiley   +1 more source

Assessing Crash Risks on Curves [PDF]

, 2006
In Queensland, curve related crashes contributed to 63.44% of fatalities, and 25.17% required hospitalisation. In addition, 51.1% of run-off-road crashes occurred on obscured or open-view road curves (Queensland Transport, 2006).
Chen, Samantha, Krishnaswamy, Shonali, Loke, Seng, Rakotonirainy, Andry, Sheehan, Mary   +4 more
core   +1 more source

Financial Distress Risk and Stock Price Crashes

SSRN Electronic Journal, 2019
This study uses 462,678 monthly observations of US-listed firms for the period 1990-2018 to document a strong positive relationship between short-term changes in financial distress risk and future stock price crashes. This result is economically significant as a one interquartile increase of the main explanatory variable in any month increases the ...
Andreou, Christoforos K., Andreou, Panayiotis C., Lambertides, Neophytos   +2 more
openaire   +5 more sources

VAE+DDPG: An Attention‐Enhanced Variational Autoencoder for Deep Reinforcement Learning‐Based Autonomous Navigation in Low‐Light Environments

Advanced Intelligent Systems, EarlyView.
Variational Autoencoder+Deep Deterministic Policy Gradient addresses low‐light failures of infrared depth sensing for indoor robot navigation. Stage 1 pretrains an attention‐enhanced Variational Autoencoder (Convolutional Block Attention Module+Feature Pyramid Network) to map dark depth frames to a well‐lit reconstruction, yielding a 128‐D latent code ...
Uiseok Lee, Chanhong Hwang, Hyunseok Kang, Yechan Park, Hangwoo Jin, Tuan Anh Nguyen, Eunmi Choi, Dugki Min   +7 more
wiley   +1 more source

Adaptive Expectations and Stock Market Crashes [PDF]

A theory is developed that explains how stocks can crash without fundamental news and why crashes are more common than frenzies. A crash occurs via the interaction of rational and naive investors.
Frankel, David M.
core   +3 more sources

Scenario analysis of HAZMAT transportation road traffic crashs on China’s highways based on AcciNet-RFs

Scientific Reports
Highway HAZMAT transportation road traffic crash scenario analysis is a complex and dynamic task. Conducting such analysis enables a systematic understanding of how crashes evolve during highway HAZMAT transportation. To address this, this paper proposes
Zhangyin Dai, Ruiwen Fan, Wenfu Meng, Youcheng Chen, Shixiang Tian   +4 more
doaj   +1 more source

Seatbelt use and risk of major injuries sustained by vehicle occupants during motor-vehicle crashes: A systematic review and meta-analysis of cohort studies [PDF]

, 2018
BackgroundIn 2004, a World Health Report on road safety called for enforcement of measures such as seatbelt use, effective at minimizing morbidity and mortality caused by road traffic accidents.
A Akobeng, A Baker, A Renson, A Sen, Abdul-Razak Abubakari, AF Hefny, AK Abbas, Antony R. Morgan, B Fréchède, BT McMullin, C-Y Kuo, CS Crandall, DA Hyman, DC Viano, DF Stroup, DM Stein, F Hillary, F O’Kelly, FM Abu-Zidan, G-M Han, H Yasuoka, J Inamasu, J Inamasu, J IntHout, JK Kuan, JR Funk, JS Cummins, K Dalal, L Evans, Leopold Ndemnge Aminde, M Peden, M-S Lin, MA Bjurlin, MA Reed, N Kulvatunyou, N McGrath, Nicole Fouda Mbarga, O Achildi, OJ Ogundele, P Raychaudhuri, PA Anderson, PM Ho, RD Rao, RH Friis, S Biswas, S Blows, S Wotherspoon, Seat-belts and child restraints, SM Blake, T Sugimoto, TB Dinh-Zarr, V O’Dowd, VM Nantulya, Y Matsui   +53 more
core   +1 more source