This study examined the role of positive and negative discretionary accrual management in the stock price impact. A sample of 66 firms listed in Tehran Stock Exchange was selected for a ten-year period (2008-2017). Accrual management was found to lead to significant changes in stock prices, and uninformed investors incur trading costs caused by the stock price impact. The results showed two key...

We demonstrate empirically how recent proposals to modify the penny-based system of stock trading may have simultaneous and opposite effects on the incidence of high frequency trading (HFT) and the trading of undisplayed (or “dark”) liquidity. We do so by exploiting the fact that the existing ban on sub-penny quotations (Rule 612 of Regulation NMS) only applies to equity orders (bids or asks) p...

Article history: Received 2 March 2015 Received in revised form 19 May 2015 Accepted 26 May 2015 Available online 9 June 2015 Wecombine two concepts of informed trading – contrarian trades and stealth trading – to develop proxies for the probability of informed trading. These proxies are used to test the link between informed trading and adverse selection asmeasuredbybid–ask spreads and stock i...

The weekend effect is described as the tendency for Monday security returns to be low (or negative) compared to other days of the week. The weekend effect may not be exploited by trading individual stocks because of transactions costs. However, the institutional characteristics of the US-based international open-end mutual funds may allow investors to exploit the weekend effect because mutual f...

We study the cascading dynamics immediately before and immediately after 219 market shocks. We define the time of a market shock T{c} to be the time for which the market volatility V(T{c}) has a peak that exceeds a predetermined threshold. The cascade of high volatility "aftershocks" triggered by the "main shock" is quantitatively similar to earthquakes and solar flares, which have been describ...

Recent research has documented empirical evidence of informed trading ahead of major corporate events such as earnings announcements, mergers and acquisitions (M&A) and corporate bankruptcies. Surprisingly, however, no such evidence exists ahead of corporate divestiture or spinoff (SP) announcements. This is noteworthy because the parent company’s stock usually experiences a significant price j...

This thesis consists of an introductory chapter and four self-contained essays on the value relevance of financial statement information. Essay 1 The purpose of this essay is to examine relevance of environmental information from an investor’s perspective. The study proposes that the market value of companies will reflect both financial and environmental performance. The theoretical foundation ...

Using a unique daily database, we investigate the short-run dynamic relation between institutional trades and stock price volatility in an individual investor dominated emerging market. We document a significant negative volatility-institutional trading relation in the emerging Chinese market. This negative relation is more pronounced for unexpected institutional imbalance and buy. Institutiona...

The paper presents a dynamic model of trading on market of patents. It is assumed that each firm participating in market produces its own technologies, whereas its manufacturing sector utilizes both originally produced technologies and those produced in other firms. The firms are therefore interdependent through the technology stocks used in manufacturing, which provides a basis for the emergen...

Stock markets play a fundamental role in the countries’ economies, since they allow companies to raise funds for their investments in technology, expansion or infra-structure by selling stocks to the public. At the same time, stocks are, for the stockholders, important assets that can help to maintain or increase the investor’s wealth for future use, like retirement, education, etc. On the othe...