1. What are barriers to entry? Describe three potential barriers in the pharmaceutical industry. What are some consequences of these barriers? 2. There are wide differences across countries in the...

1. What are barriers to entry? Describe three potential barriers in the pharmaceutical industry. What are some consequences of these barriers?

2. There are wide differences across countries in the share of health resources spent on drugs. Describe possible economic and noneconomic factors that may contribute to the variation.