Summary: Absolutely the best in AP prep.Worksheets on LRS for the AP Macroeconomics exam is here.
I used the FRED data base to show the natural rate of unemployment and natural rate of GDP growth. You will find these problems good for review or teaching.
About the Author: Mike Fladlien is an AP Economics teacher from Muscatine High School in Muscatine, IA. He is an EconEdLink.org author, and also publishes the Mikeroeconomics and iMacroeconomics VB blogs.