Finance and Financial Management Commons^™

Essays On Currency Risk Management, Nehad Elsawaf

Theses and Dissertations in Business Administration

In recent years a growing number of corporations have committed considerable resources to risk management, indicating the potential for risk management to protect and increase firm value. One can argue that most prior attempts to directly link the value of the firm to its hedging strategies are rather scant. Moreover, several questions with regards to firms' risk management activities remain unanswered. This study consists of two essays dealing with a series of questions regarding corporate risk management in modern U.S. multinational corporations.

In the first essay we first, test the valuation effects of currency hedging policies of firms around extraordinary …

Valuation Effects Of Earnings Restatements Due To Accounting Irregularities, Tan Xu

Theses and Dissertations in Business Administration

This dissertation studies three financial topics using earnings restatement data. In the first topic, we discriminate between the market efficiency hypothesis and the underreaction hypothesis by examining their predictions on the stock performance of restating firms in the post-announcement period. Three approaches are used, namely, the cumulative abnormal return (CAR), buy-and-hold abnormal return (BHAR), and calendar time portfolio approaches. Consistent with the market efficiency hypothesis, we do not find significant abnormal performance in the post-restatement period. In the second topic, we test the extrapolation model (LSV, 1994) by examining the relationship between stock price reaction to earnings restatement and the …