A Lecture presentation in powerpoint to accompany Principles of Economics Second edition N. Gregory Mankiw Prepared by Mark P Karscig, Department of Economics Finance. Central missouri state universitHarcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. A Lecture Presentation in PowerPoint to Accompany Principles of Economics Second Edition by N. Gregory Mankiw Prepared by Mark P. Karscig, Department of Economics & Finance, Central Missouri State University