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Informational efficiency: ranking markets [PDF]

Economic Theory, 2001
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Liquidity and market efficiency☆

Journal of Financial Economics, 2007
Abstract Short-horizon return predictability from order flows is an inverse indicator of market efficiency. We find that such predictability is diminished when bid-ask spreads are narrower, and has declined over time with the minimum tick size. Variance ratio tests suggest that prices were closer to random walk benchmarks in the more liquid decimal ...
Chordia, Tarun, Roll, Richard, Subrahmanyam, Avanidhar   +2 more
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The Efficient-Market Hypothesis

2022
Prior to the financial crisis most economists, though happily not all, believed in a version of the Efficient Market Hypothesis (“EMH”) which held that financial markets were efficiently and thus always correctly priced. The financial crisis resulted in the EMH being discredited as, despite many warnings, it led central bankers to ignore the threat ...
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Are Cryptocurrency Markets, Efficient Markets?

SSRN Electronic Journal, 2020
This paper examines the market efficiency of three key cryptocurrency markets namely: Bitcoin, Ethereum and Monero, before and during the COVID-19 pandemic. This research makes use of a Durbin-Watson test and a non-parametric runs test to test for weak-form efficiency, and two comprehensive event studies to test for semi-strong form and strong form ...
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Market Efficiency

2021
Shveta Singh, Surendra S. Yadav
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Market efficiency

The Journal of Portfolio Management, 1985
Robert A. Haugen, Edgar Ortiz, Enrique Arjona   +2 more
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Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells

Nature Energy, 2021
Chao Li, Huotian Zhang, Lei Zhu
exaly  

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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Efficient Capital Markets: Comment

The Journal of Finance, 1976
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An overview of precision oncology basket and umbrella trials for clinicians

Ca-A Cancer Journal for Clinicians, 2020
Kristian Thorlund, Edward J Mills
exaly