ተጫራቾች በጨረታ ሰነዱ ናሙና እንዲያቀርብባቸው የሚፈለጉ ዕቃዎችና አገልግሎቶች ናሙና ማቅረብ ግዴታ ያለባቸው ሲሆን ናሙና በተጠየቀበት ናሙና ያላቀረበ ተጫራች ከውድድር ውጭ ይደረጋል።
Prices for goods and services are set freely by the forces of supply and demand and are allowed to reach their point of equilibrium without intervention by government policy.