Here you can view PDFs of Chapter 9 (Market structure and imperfect competition) & Chapter 25 (Aggregate supply, prices and the adjustment to shocks):
Chapter 09 (510.0K)
Chapter 25 (520.0K)
Here you can view a PDF of Chapter 9 from the Workbook (Market structure and imperfect competition):
Chapter 9 from Workbook (292.0K)