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网络通达、技术创新与交易价值研究
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作者 庄雷 王飞 《科学决策》 CSSCI 2020年第8期24-43,共20页
鉴于"新基建"下有形与无形网络发展将助力中国技术创新再上新台阶,选取2000-2018年中国31省级数据从有形交通网络和无形通信网络两个方面实证分析区域网络通达对技术创新投入、产出与交易价值三个维度的影响关系。研究结果发... 鉴于"新基建"下有形与无形网络发展将助力中国技术创新再上新台阶,选取2000-2018年中国31省级数据从有形交通网络和无形通信网络两个方面实证分析区域网络通达对技术创新投入、产出与交易价值三个维度的影响关系。研究结果发现:(1)区域交通网络通达、通信网络通达水平与技术创新投入呈正相关,且通信网络硬件建设与之存在U型关系;(2)区域交通网络通达与技术创新产出呈正相关,而通信网络通达对技术创新产出存在着长短期影响不一致;(3)区域通信网络通达与技术创新交易呈正相关,且通信网络硬件建设与技术交易之间存在U型关系。技术创新投入与技术交易呈负相关,而技术创新产出与技术交易呈正相关且两者存在倒U型关系。各地区推进新型基础建设投资和技术创新中需注意"挤出效应"和"拐点效应"的长短期影响。 展开更多
关键词 新基建 网络通达 技术创新 技术交易价值
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Impact of Information Technology Adoption on Value Relevance of Accounting Information: Evidence From the Colombo Stock Exchange
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作者 Chandrapala Pathirawasam Guneratne Wickremasinghe 《Journal of Modern Accounting and Auditing》 2011年第7期680-688,共9页
The purpose of this paper is to investigate the value relevance of earning based accounting information and to see how value relevance has changed with the introduction of new information technology at Colombo Stock E... The purpose of this paper is to investigate the value relevance of earning based accounting information and to see how value relevance has changed with the introduction of new information technology at Colombo Stock Exchange (CSE) in Sri Lanka. Sample of the study includes 129 companies selected from 6 major sectors at CSE. Cross sectional and time series cross-sectional regressions are used for the data analysis. Study finds that earnings per share (EPS) and returns on equity (ROE) have a significant impact on market price. However, the explanatory power of combined variables is below average. Further, value explanatory power of earnings has considerably improved after the new information technology adoption at CSE. This study is unique because it examines the impact of technological advancements on value relevance of accounting information probably as the first paper to be applied on Sri Lanka. 展开更多
关键词 value relevance accounting information earnings per share return on equity
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