This paper explores environments in which either the revelation or diffusion of information, or its incorporation into stock prices, is gradual, and develops appropriate estimation techniques. This paper has implications both for event study methodology and for understanding the process by which...

This paper explores environments in which either the revelation or diffusion of information, or its incorporation into stock prices, is gradual, and develops appropriate estimation techniques. This paper has implications both for event study methodology and for understanding the process by which...

1. Introduction -- 2. The intangible economy -- 3. Patent information and corporate credit ratings : an empirical study of patent valuation by credit rating agencies -- 4. IPR management and company valuation in the pharmaceutical industry : an exploratory study -- 5. IPR management, corporate...