We show that firms 'in danger' of being delisted from a stock market (NASDAQ) report higher performance-adjusted discretionary accruals and the inflated accruals are associated with an increased likelihood of maintained listing. Accruals of firms 'in danger' are less positive in fiscal quarters...

This paper offers new evidence on informed trading around merger and acquisition announcements from the UK equity and options market. The analysis suggests that in about 25%-33% of events there is abnormal option trading volume during the month that precedes the announcement. Such evidence is...

China has sustained a rapid rate of economic growth and absorbed a great deal of foreign investment over the past decades. However, the laws pertaining to business in China have not kept up with China's market growth. For this reason, investors in the Chinese stock market must assess associated...

Shares trading in the Bolsa mexicana de Valores do not seem to react to company news. Using a sample of Mexican corporate news announcements from the period July 1994 through June 1996, this paper finds that there is nothing unusual about returns, volatility of returns, volume of trade or...

This study proposes a process for observing evidence of insider trading in the Athens Stock Exchange (ASE). This is performed by building an environment which, based upon previous research, common sense and information technology, may be used for observing such evidence. It is designed to be...

This study examines stock price volatility effects of the insiders trading in Istanbul Stock Exchange. Our results indicate that insider trading significantly affects stock price volatility during and after the trade. Sub-sample analyses show that sell positions, the trades of the traders more...

This paper studies how insider trading intensity is affected by the joint effects of competition and regulation. Prior theoretical research has found that, in the absence of regulation, more insiders leads to more insider trading. We show that optimal regulation, however, features detection...

In this paper, we examine stock exchange trading rules for market manipulation, insider trading, and broker-agency conflict, across countries and over time, in 42 stock exchanges around the world. Some stock exchanges have extremely detailed rules that explicitly prohibit specific manipulative...

The development of the Brazilian stock market has raised concerns about the practice of insider information, with several cases being documented in recent years. We hypothesize that insider trading is a form of corruption. As such, the higher the corruption level in a country, the more intense...

The prevailing view of implied volatility comovements, IVC, defined as the correlation between a firm's implied volatility and the market's implied volatility, is that they indicate the presence of systematic volatility risk to the firm's investors. We take a different stance and conjecture that...