Decisions to invest in transport infrastructure projects require careful deliberation. Governments need evaluation methods to ensure that their scarce resources are allocated in a way that maximises their net return to society. How can the efficiency of allocating funds for transport...

Decisions to invest in transport infrastructure projects require careful deliberation. Governments need evaluation methods to ensure that their scarce resources are allocated in a way that maximises their net return to society. How can the efficiency of allocating funds for transport...

Failure at school: an old problem in a new context? In most OECD countries, there is some reluctance to acknowledge the problem of failure at school. And when the problem is acknowledged, it is not always easy to find effective means for combating it or, even, to agree on indicators of failure...

All OECD countries have established vaccination programmes based on their interpretation of the risks and benefits of each vaccine. There is strong evidence that vaccines provide safe and effective protection against diseases such as diphtheria, tetanus, pertussis (whooping cough), and measles....

Influenza is a common infectious disease that affects many people. Most people with influenza recover quickly, but elderly people and those with chronic medical conditions are at higher risk of complications and even death. Influenza vaccination rate refers to the number of people aged 65 and...