[A] genuinely innovative book...important...Casson has made it impossible for serious economics any longer to regard microtheory solely as a set of equilibrium conditions. At most, he has provided the groundwork for the complete recasting of microeconomics around the function and person of the entrepreneur. Journal of Economic Literature [A] genuinely innovative book...important...Casson has made it impossible for serious economics any longer to regard microtheory solely as a set of equilibrium conditions. At most, he has provided the groundwork for the complete recasting of microeconomics around the function and person of the entrepreneur. Journal of Economic Literature