All enterprises, regardless of industry, are exposed to fraud risk. In the retail perpetrators manipulate sales price products instead quantity sold avoid inventory discrepancies. Fraud examiners attempt identify anomalous transactions using data analysis. This study analyzes causes fraudulent behavior, conceptualized based on aspect rational choice, and proposes an transaction detection model ...

Predicting stock price movements is a challenging task for academicians and practitioners. In particular, forecasting price movements in emerging markets seems to be more elusive because they are usually more volatile often accompanied by thin trading-volumes and they are susceptible to more manipulation compared to mature markets. Technical analysis of stocks and commodities has become a scien...

Parisian options are barrier options for which the knock-in/knock-out feature is only activated after the price process has spent a certain prescribed, consecutive time beyond the barrier. This specification has two motivations: First, there is the need to make the option more robust against short-term movements of the share price. This is achieved in Parisian options where it is ensured that a...

Average options are path-dependent and have payoffs which depend on the average price over a fixed period leading up to the maturity date. This option is of interest and important for thinly-traded assets since price manipulation is prohibited, and both the investor and issuer may enjoy a certain degree of protection from the caprice of the market. There are several nice results for the average...

This paper describes the design of a new PC-based open-loop digital simulator for relay testing. The simulator is aimed at the users that want flexibility and power of transient relay testing at a price comparable to the price of conventional test sets. The simulator can use several different I/O hardware platforms enabling the users to match simulator configuration with their testing requireme...

The WorldWide Web is thèkiller application' of the mid-1990's, and as a result it serves as the market place for various services. This position paper discusses the problem of creating complex Web services from simpler ones, under client control. For example, one might want an annotated forecast of a company's stock price from three simple services, viz., stock price data, forecasting, and anno...

We propose a goal programming framework that aims at automating e-commerce transactions. This framework consists of three basic layers: deal definition—defining the deal’s parameters and associated constraints (e.g., item, price, delivery dates); deal manipulation—a collection of procedures for shaping deals to attain desired goals (e.g., earliest delivery and minimum price) and an applications...

The present work studies the behavior of a monopolistic informed trader in a two-period competitive dealer market. We show that the informed trader may engage in stock price manipulation as a result of the exploitation of his informational advantage (su±cient conditions are provided). The informed trader achieves this manipulation by not trading in the ̄rst period according to the information r...