Framework provides almost "paint-by-numbers" level of control over the development as you know what the capabilities of the framework are, and what is provided
Frameworks promotes the quality at the design level by supporting key capabilities such as database access, security, administration etc
Frameworks provides Intgrated Development Environment (IDE) enabling efficient development, testing, troubleshooting of the build
The total number of lines of code that need to be developed for any given application is an order of magnitude less than it would otherwise be, resulting in less coding defects