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American Index Put Options Early Exercise Premium Estimation, Ako Doffou Dec 2007

American Index Put Options Early Exercise Premium Estimation, Ako Doffou

WCBT Faculty Publications

"This paper examines empirically the value of early exercise by testing the ability of two American put valuation models to predict the early exercise premium for the S&P 100 American put options. An accuracy test and a quality test are performed on (1) the MacMillan (1986) & Barone-Adesi and Whaley (1987) model, and (2) the Carr, Jarrow and Myneni(1992) model. The test results show that early exercise premium is significant regardless of moneyness. Moreover, consistent with the theory, the value of early exercise is significantly negatively related to moneyness and interest rates and significantly positively related to time to maturity …


Essays On Risk And Incentives, Russell Engel Oct 2007

Essays On Risk And Incentives, Russell Engel

WCBT Faculty Publications

I use economic experiments to investigate individual behavior under uncertainty. The first essay examines the consistency of risk preferences over two institutions. The two institutions I use are the first price sealed bid auction and a Holt-Laury lottery. There is some controversy as to whether or not observed overbidding in first price auction is actually caused by risk aversion or simply consistent with it. Behavior in the Holt-Laury lottery being caused by risk aversion is not in dispute. By having the same subjects participate in both institutions, I show that subjects.risk preferences in the lottery are consistent with subjects' risk …


Fostering Entrepreneurship: Developing A Risk-Taking Culture In Singapore, Balbir B. Bhasin Oct 2007

Fostering Entrepreneurship: Developing A Risk-Taking Culture In Singapore, Balbir B. Bhasin

WCBT Faculty Publications

About 10 years ago the Singapore Government realized that entrepreneurial spirit was lacking in its general population. These conclusions were confirmed by an empirical survey, the Global Entrepreneurship Monitor (GEM), an annual assessment of the national level of entrepreneurial activity. The paternalistic and authoritative approach of the government contributed to the general population's averseness to participating in risk-oriented ventures. Removing impediments to entrepreneurship is a key challenge for the government and the business sector if the island republic is to maintain its national competitiveness. This article explores the various initiatives taken by the government to stimulate risk-taking and attempts to …


Reflections On A Seminal Force In International Accounting, Karen Cascini Feb 2007

Reflections On A Seminal Force In International Accounting, Karen Cascini

WCBT Faculty Publications

Accounting is a manifestation of several important environmental factors within a country, including economic, educational and political, and, as such, is evolutionary in accordance with those changing social structures. In today‟s ever expanding global economy, the understanding of international aspects of accounting is critical to understanding world events and the way in which they affect our lives. As new nations and new economic powers emerge, continually updated information, including accounting information, is an essential resource for linking an internal accounting system with worldwide systems. Because of the major impact that international accounting has had on countries‟ internal accounting systems, it …


Periodically Collapsing Bubbles In The Asian Emerging Stock Markets, Ako Doffou Jan 2007

Periodically Collapsing Bubbles In The Asian Emerging Stock Markets, Ako Doffou

WCBT Faculty Publications

This paper investigates empirically the existence of periodically collapsing bubbles in the Asian emerging stock markets using the Enders-Siklos (2001) momentum threshold autoregressive model. As explained in Bohl (2003), this non-linear time series technique can be used to analyze bubble driven run-ups in stock prices followed by a crash in a non- cointegration framework with asymmetric adjustment. This technique offers a more potent insight in the stock prices behavior than can possibly be obtained using conventional non-cointegration tests. The empirical findings for ten Asian emerging stock markets from 1993 to 2005 refute the bubble hypothesis.