Debt Of Greece and Yagnam story by kalipatnam Rama Rao

My understanding of the nature of Greece’s debt today is that it is the the same as the nature of debt accrued by Appala Ramudu in Kalipatnam Rama Rao’s story YagnamSome knowledgeable economic experts may feel that is a simplistic model
But my experience in modeling has assured me that some simple models are robust and describe the observed phenomenon reasonably accurate way and help in predicting future events