The international debate over copyright term extension for existing works turns on the validity of three empirical assertions about what happens to works when they fall into the public domain. Our study of the market for audio books and a related human subjects experiment suggest that all three...

A growing number of empirical studies measure how extended copyright terms negatively affect the number of book titles in print. Many of these same studies also demonstrate significant differences in the pricing of bound volumes, ebooks, and audio books editions of public domain and copyrighted...

This chapter in an upcoming book on the law and economics of copyright provides a basic primer on the economics of the public domain, discussing extant models and references, including new graphs comparing used book and new book markets to represent market distortions enabled by copyright protection

Research on the effect of copyright term extension in the United States demonstrates the negative effect of protection on the availability of new bound editions, ebooks, and audiobook editions of older works. Among the most popular titles, copyright protection also is associated strongly with...

Federal and state law both provide a cause of action against inappropriate and unauthorized uses that ‘tarnish’ a trademark. Copyright owners also articulate fears of ‘tarnishing’ uses of their works in their arguments against fair use and for copyright term extension. The validity of...

The purpose of this research study is 1) to map the size of the public domain and frequency of its use; 2) analyse the role of public domain works in value creation for UK businesses; 3) assist creators and entrepreneurs to identify business models that benefit from the public domain. In addition...

Economists and policymakers have recently defended the extension of copyright protection to assure the efficient exploitation of existing works. They assert that works in the public domain may be under-exploited due to the lack of property rights or over-exploited due to congestion...