Results 51 to 60 of about 15,148 (305)
When insiders trade less: density and return predictability
This study examines whether insider trading density predicts subsequent stock returns in China. Trading density is defined as the number of trading months relative to an insider's tenure.
Congcong Wang +3 more
doaj +1 more source
Explanation the Relationship between Accounting Earnings Volatility and Predictability [PDF]
In this study we investigate the relationship between earnings volatility and earnings predictability (short and long-term), in addition we investigate information content of earnings volatility. Our framework is based on Dichev and Tang (2009). There is
Bita Mashayekhi, Vahid Mennati
doaj
Dynamic relationships between financial conditions index and stock returns [PDF]
Stock return predictability has been extensively considered as a stylized reality. Theories indicate that returns should change along the time, and various studies have presented evidence on this point. On the other hand, there is an optimal portfolio in
Amin Sadat +2 more
doaj +1 more source
Surface‐host dialogue at the implant interface governs biological fate and osseointegration. Surface physicochemical properties of titanium (Ti) dental implants, including microgrooves, nanopatterns, nanotopography, roughness, and wettability, modulate the initial adsorption of proteins and the formation of a dynamic biointerface.
Daniela Moreira Cunha +9 more
wiley +1 more source
Advances in Magnesium‐Based Thermoelectrics: A Critical Review
Magnesium‐based thermoelectric materials have emerged as promising candidates for low‐to‐mid‐temperature energy conversion due to their abundance, low cost, and competitive performance. This review summarizes recent advances in Mg3X2, MgAgSb, and Mg2X systems, covering transport mechanisms, fabrication strategies, stability challenges, and device ...
Li‐Min Zhang +5 more
wiley +1 more source
Stock market return predictability: Google pessimistic sentiments versus fear gauge
This study aims at comparing Google Search Volume Indices (GSVIs—including market crash and bear market) and VIX (Investor Fear Gauge Index) in terms of explaining the S&P 500 returns. The VIX is found a more robust predictor of stock market returns than
Ume Habibah +2 more
doaj +1 more source
In this paper, we present a multipurpose operation strategy for the efficient distribution of power to multiple power services from a single battery energy storage system (BESS). The proposed operation strategy uses a modern portfolio theory of financial
Kazufumi Yuasa +3 more
doaj +1 more source
Return predictability and its implications for portfolio selection [PDF]
This thesis inquires into a range of issues in return predictability and its implications. First, the thesis investigates estimation bias in predictive regressions.
Zhu, Min
core +1 more source
Inspired by the octopus and the golden wheel spider, soft robots with liquid crystal elastomer arc fibers as appendages are fabricated to transcend surface constraints through an elevated center of mass and minimal contact footprints. By leveraging curvature‐encoded deformation‐recovery cycles, these robots exhibit contractile, torsional, and flexural ...
Jong Bin Kim +5 more
wiley +1 more source
Cryptocurrency Investing Examined
In this work we examine the largest 100 cryptocurrency return series ranging from 2015 to early 2018. We concentrate our analysis on daily returns and find several interesting stylized facts.
Jim Liew +3 more
doaj +1 more source

