September 22, 2009 Slide Show: 2010 State Business Tax Climate Index Print this page Subscribe Support our work In the slideshow below, Tax Foundation Staff Economist Kail Padgitt, Ph.D., who authored Tax Foundation Background Paper No. 59, “2010 State Business Tax Climate Index,” discusses the main findings of this year’s study, including the best and worst states as well as major trends. View Tax Foundation Background Paper No. 59, “2010 State Business Tax Climate Index.” Topics