Buddhism and economics
This is not directly related to economics but Buddha's Ten Royal Qualities (Dasa Raja Dharma) is an excellent guidance to handle a country and thereby the economy as well.

Check this link to get an idea: THE CURRENT RELEVANCE OF
DASA RAJA DHARMA

Here's a very brief extract/summary from that article:


  The promise of dasa raja dharma (ten principles
  of Buddhist governance) has been a
  trademark emotional appeal that our rulers
  have used to win elections.
  
  
  Dana -- Liberality, generosity, charity.
  Sila -- a moral character.
  Pariccaga -- sacrificing everything for the good of the people.
  Ajjava -- honesty and integrity.
  Maddava -- kindness and gentleness.
  Tapa -- austerity of habits.
  Akkodha -- freedom from envy, ill-will, enmity.
  Khanti -- patience, forbearance, tolerance, understanding.
  Avihimsa -- non-violence, which means not only that he should harm nobody, but that he should try to promote peace by avoiding and preventing war, and everything which involves violence and destruction of life.
  Avirodha (non-opposition; nonconfrontation) as they are related though not the same.