Frank Westhoff

• Problems and exercises for Intermediate microeconomics to accompany Intermediate microeconomics and its application, seventh edition, Walter Nicholson
• Student Solutions Manual To Accompany An Introduction To Econometrics A Self Contained Approach
• Introduction to Econometrics
• Introduction to Statistics and Econometrics
• Problems and exercises for intermediate microeconomics
• Student Solutions Manual to Accompany an Introduction to Econometrics