Results 41 to 50 of about 3,158,522 (412)
Jiamusi Pulsar Observations: I. Abnormal emission events of PSR B0919+06 [PDF]
PSR B0919+06 generally radiates radio pulses in a normal phase range. It has been known for its occasional perplexing abnormal emission events wherein individual pulses come to an earlier phase range for a few tens of periods and then returns to its usual phase. Heretofore, only a few such events have been available for study.
arxiv +1 more source
Mediasi Nilai Perusahaan pada Pengungkapan Laporan Keberlanjutan dan Abnormal Return
Tujuan penelitian ini adalah untuk mengetahui dampak pengungkapan laporan keberlanjutan dalam aspek ekonomi, lingkungan, dan social terhadap abnormal return dengan proksi nilai perusahaan price-to-book value sebagai mediasi.
S. Kamila, Ari Purwanti
semanticscholar +1 more source
Abnormal expected utility and event study abnormal returns
Abstract Event study is employed by measuring the abnormal return around the event date. If risk changes this methodology is questionable. We suggest the concept of abnormal expect utility which relies on the whole distribution and not just the mean return.
Department of Finance and Real Estate Business Building, University of Florida, Gainesville, FL 32615-2017, USA ( host institution )+2 more
openaire +3 more sources
PENGARUH PELANTIKAN KABINET KERJA HASIL RESHUFFLE JILID II TERHADAP HARGA SAHAM LQ-45
Abstrak: Pengaruh Pelantikan Kabinet Kerja Hasil Reshuffle Jilid II terhadap Harga Saham LQ-45. Tujuan dari penelitian ini adalah untuk melihat pengaruh peristiwa politik-pelantikan Kabinet Kerja hasil reshuffle jilid II-terhadap harga saham yang ...
Aulia Hatmanti, Bambang Sudibyo
doaj +1 more source
The Role of Twitter in Cryptocurrency Pump-and-Dumps [PDF]
We examine the influence of Twitter promotion on cryptocurrency pump-and-dump events. By analyzing abnormal returns, trading volume, and tweet activity, we uncover that Twitter effectively garners attention for pump-and-dump schemes, leading to notable effects on abnormal returns before the event.
arxiv
Market Reaction and Share Performance Towards the Merger and Acquisition Announcement of 2015-2019
This study aims to analyze differences in market reactions and performance before and before announcing Mergers and Acquisitions in companies listed on the Indonesia Stock Exchange (IDX) in 2015-2019 by measuring differences in Abnormal Return (AR ...
Gadis Arimbi Puspita*, Irni Yunita
doaj +1 more source
The Effects of Twitter Sentiment on Stock Price Returns [PDF]
Social media are increasingly reflecting and influencing behavior of other complex systems. In this paper we investigate the relations between a well-know micro-blogging platform Twitter and financial markets. In particular, we consider, in a period of 15 months, the Twitter volume and sentiment about the 30 stock companies that form the Dow Jones ...
arxiv +1 more source
The research about abnormal return of initial offering has been carried out by many other researchers. The results indicated that underpricing which signed by positive abnormal returns occurred in the short time.
Tri Kartika Pertiwi
doaj +1 more source
Impact of Cross-Listing Chinese Stock Returns. A and N Shares Rate of Return Comparison [PDF]
The paper examines the Chinese market reaction to the ADR issue by comparing returns and their stochastic variances of the Chinese firms cross-listed in the U.S. stock market. First, It was implemented capital asset pricing model (CAPM) to determine expected returns A and N shares.
arxiv +1 more source
Iatrogenic Systemic Venous Return Abnormality [PDF]
An iatrogenic systemic venous return abnormality was found in a female patient who had previously undergone surgery to correct a superiorly located atrial septal defect and then had increasing complaints. Here we consider the importance of contrast echocardiography in the diagnosis and discuss the patient's second operation as well as the possible ...
Hasan Arı+3 more
openaire +2 more sources