The following maybe of interest. Ralph ofcourse has an excellent blog on MMT. Here, is his introductory "article" on the subject
 
 http://ralphanomics.blogspot.com/2011/02/introduction-to-modern-monetary-theory.html
 
However, Transfinancial Economics is more advanced in many respects, and can notably give us a highly accurate understanding of  the economy itself, and give "absolute" assurance that inflation can never go amuck. But I do regard MMT of great importance, and the same goes for Social Credit which is basically very similiar.