Whether you are inside or outside of OGP, you may not yet be convinced of the benefits of opening government. When you open government, what do you get in return? If you are asking this question, this guide is for you.

The guide summarizes what is known about the impact of opening government in five areas: 1) public service delivery 2) business opportunities 3) government efficiency and cost saving 4) prevention of corruption and 5) trust in government. Each chapter draws from empirical evidence, and highlights reformers who are opening government in innovative ways.