1. What is the difference between tacit and explicit knowledge? Why do big organizations invest a lot of time and resources into sharing knowledge?

2. Describe four impediments for international project learning and possible actions that mature organizations use to overcome these impediments.

3. Why do governments make use of public-private partnerships? Give three examples to justify your answer.

4. Many international projects are also considered mega projects. Their budgets are over a billion dollars, and they take many years to be completed. Using the Eurotunnel or any other infrastructure project as an example, explain the "hiding hand" concept applied to mega projects.