I have recently been using the following. They are quite good and you might like to pay them a visit. It would be nice if some of our visitors suggested other sites we could visit.
www.socialstudies.com/economics.
www.jpec.org/humanities
www.spot.colarado.edu
www.investopedia.com/university/economics
www.digitaleconokmics.com
Best wishes,
john Birchall
www.johnbirchall-economist.net