Click on the link of the desired lecture.  Then save the file on a disk or your hard drive.  Open to view.

Lecture 1: What is Economics?

Lecture 2: When is a Market Socially Optimal?

Lecture 3: Welfare Economics?

Lecture 4: Negative externalities

Lecture 5: Issues in Externality Control

Lecture 17: Water and Development

Lecture 18: Pesticide Economics