Many services can be self-provided. An individual user or a user firm can, for example, choose to do its own accounting – choose to self-provide that service – instead of hiring an accounting firm to provide it. Since users can ‘serve themselves’ in many cases, it is reasonable to...

Many services can be self-provided. An individual user or a user firm can, for example, choose to do its own accounting - choose to self-provide that service - instead of hiring an accounting firm to provide it. Since users can 'serve themselves' in many cases, it is reasonable to suspect that...