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Market Efficiency.

The Accounting Review, 1981
Abstract ABSTRACT: Efficient market research arose in response to allegations from the professional investment community and critics of financial accounting, and it preceded a formal, conceptual development of market efficiency. Several ambiguities exist with respect to previous definitions of market efficiency.
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Market Efficiency and Stock Market

2019
This study examines the concept of variable efficiency (time-varying levels of efficiency) and time-varying return predictability in the Indian stock market, which are the implications of Adaptive Markets Hypothesis (AMH). We apply linear tests to examine the time-varying dependence in two different indices of the Bombay Stock Exchange (BSE) in India ...
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The Efficiency of Markets

2016
How well do market economies deal with environmental problems? One school of thought holds that government regulation is costly and intrusive, hindering innovation and economic growth. Conservative talk radio host Rush Limbaugh captured this sentiment when he wrote, “The key to cleaning up the environment is unfettered free enterprise.
Nathaniel O. Keohane, Sheila M. Olmstead
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The impact of government support and market competition on China's high-tech industry innovation efficiency as an emerging market

Technological Forecasting and Social Change, 2023
Qunchao Wan, Jiangfeng Ye, Shiyi Tang
exaly  

The impact of the Russia-Ukraine conflict on market efficiency: Evidence for the developed stock market

Finance Research Letters, 2022
Luiz Eduardo Gaio   +2 more
exaly  

Markets Are Efficient

2017
Assuming efficient markets in economics is a bit like neglecting air resistance in physics. It allows developing beautiful models and using powerful mathematical techniques, but the simple fact that there is air everywhere around us (otherwise, we could not live) or that actual markets exhibit all kinds of imperfections is not enough to discard such ...
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COVID-19, cryptocurrencies bubbles and digital market efficiency: sensitivity and similarity analysis

Finance Research Letters, 2022
Ghassen El Montasser   +2 more
exaly  

Sophisticated investors and market efficiency: Evidence from a natural experiment

Journal of Financial Economics, 2020
Yong Chen, Bryan Kelly
exaly  

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