The Korean insurance industry has rapidly grown over the past decade, and at the same time the asset size of Korean insurance companies increases very fast. So the effective and scientific asset management becomes very essential for these companies to stay profitable. Korean insurance companies...

This thesis consists of three essays on various topics in empirical financial studies. In Chapter 1, I study the profitability of momentum trading from evidence in mutual fund performance. I find that mutual funds that exhibit a strong momentum trading pattern earn significant risk-adjusted...

The environment surrounding companies is constantly changing. and that change forces companies into paradigm shifts. If a company cannot cope with change, it faces the distinct possibility of being be weeded out of the industry. Today, Japanese companies are facing dramatic environmental change....

This thesis consists of three chapters exploring predictability of stock returns. In the first chapter, I suggest a new approach to analysis of stock return predictability. Instead of relying on predictive regressions, I employ a state space framework. Acknowledging that expected returns and...

My employer, Kirin Holding Company (Kirin), turned 100 years old in 2007. At the same year, Kirin changed its company structure into a holding company from Kirin Brewery Company Limited. As the former company name indicates, the beer business is Kirin's core business, generating over 70% of...

Firm boundaries have been the subject of much scholarly interest in recent years, as firms increasingly hire external, "contingent" workers and outsource previously core activities. However, little empirical research has directly studied what happens differently inside the firm's boundaries,...

Over the last few decades, we have seen an enormous evolution in the financial services industry driven by technology innovations. Indeed, we cannot imagine the current financial system without electronic fund transfers, ATMs, and Internet banking among many other innovative implementations. In...

As corporate and government organizations move into the 21st Century, they face an environment of growing complexity. However, despite a number of recent and highly visible scandals, the moral and ethical culture associated with contemporary organizational life is not often discussed in either...

The primary goal of this research effort was to integrate several pieces of relatively simple dynamics simulations into a full blown system dynamics simulation of the telecom industry. The economic simulation model was used to analyze potential dynamics, reaching basic qualitative insights on...

The decline of innovation has hampered the growth of many large corporations as they seek to remain competitive in increasingly challenging conditions. To complement, and at times, replace their internal Research and Development activities, corporations have attempted to seek innovation...