It is well-known that if the required number of military personnel is large, paying the soldiers their hire may involve very high taxes. While conscription involves the inefficiency and unfairness of violating free choice, it may save significant distortionary costs of taxation. It is not...

Considering efficiency, equality, and morality, this book argues for qualified market expansion, particularly in legalizing kidney sales and prostitution. Legalizing prostitution will benefit both men and women, as argued in a chapter jointly written with Yan Wang. Blood donation without...

Recognizing increasing returns disrupts much of the established wisdom in economic analysis, making money non-neutral, equity conflict with freedom, and encouraging goods with increasing returns efficient. This book discusses these problems and ways they can be handled, helping to explain...