Recent rapidly rising and volatile energy commodities prices and financial price manipulation scandals have brought the pricing mechanisms of crude oil derivatives to the fore of both popular press and policy initiatives. Among the most important of such commodities is Brent Crude. Brent Crude...

There are many analytical papers and researches done in the field of examining and analyzing consequences of the Sarbanes Oxley Act (2002) and some done in the corporate governance in some Latin American countries. This paper chooses a different approach. First, it selects The US, Brazil and...

Insiders of Canadian reporting issuers are required to file public reports when they acquire, buy, or sell securities of that reporting issuer. These public reports must be filed using a prescribed form and must be filed within a specific time frame. Failure to file these public reports or...

In most of case, the insider trading is a behavior transgression of law, it is a practice deemed illegal by law. This practice is unfair and opaque; it distorts the confidence and equality of investors to make trading in the market. An insider acting or allows other intermediaries to act in the...

We analyze commonality in informed trading across stocks, and how informed trading varies with the structural and trading characteristics of a firm. We thereby isolate the residual level of informed trading that is unrelated to commonality, trading characteristics, and structural...

I provide a theoretical model for two empirical phenomena observed in the NYSE and Nasdaq markets. First is the bid-ask bounce recently studied by Heston, Korajczuk and Sadka (HKS, 2008) for high-frequency data. Second is a temporary liquidity squeeze observed by Madureira and Underwood (2008)...

We revisit a central task of the extant liquidity literature, which is to identify effective measures of liquidity. We critically assess the influential practice of identifying the best liquidity measures based on monthly correlations by comparing and contrasting correlations between monthly and...

We study the frictions in the patterns of trades in the Euro money market. We characterize the structure of lending relations during the period of recent financial turmoil. We use network-topology method on data from overnight transactions in the Electronic Market for Interbank Deposits (e-Mid)...

This paper offers a dynamic model of the foreign exchange market where some investors in the market are more informed than others. By adjusting the proportion of informed investors in the market, it is shown that the disconnect between macroeconomic variables and the exchange rate is sensitive...

Asset liquidity in modern financial markets is a key but elusive concept. A market is often said to be liquid when the prevailing structure of transactions provides a prompt and secure link between the demand and supply of assets, thus delivering low costs of transaction. Providing a rigorous...