| 1 | Depression is the leading cause of suicide. | |
| 2 | Prof: Ah now explanation. Reasons and causes? | |
| 3 | Read about about the causes of diabetes and how to prevent it. | |
| 4 | Or was it a form of coercion, because the lower class surely had more of a financial incentive to serve? | |
| 5 | The core insight of mainstream economics - that incentives matter - continues to hold up well. |