Today, a California resident can incorporate her shipping business in Delaware, register her ships in Panama, hire her employees from Hong Kong, place her earnings in an asset-protection trust formed in the Cayman Islands, and enter into a same-sex marriage in Massachusetts or Canada--all the while enjoying the California sunshine and potentially avoiding many facets of the state's laws.

In this book, Erin O'Hara and Larry E. Ribstein explore a new perspective on law, viewing it as a product for which people and firms can shop, regardless of geographic borders. The authors consider the...