"Market Efficiency Form";Absent;Weak;Semistrong;Strong
"Basic provisions";"Asset prices do not take into account available information about those assets  Smaller markets may be inefficient";"All past price information is factored into the current price of the asset.  Confirmed in most studies";"All past and current public information is taken into account in the current price of the asset  Confirmed in many studies. Not confirmed for small companies  The work of investment analysts leads to the formation of market efficiency in a semi-strong formulation";"All past and current public and non-public information is taken into account in the current price of the asset  Confirmed in some studies   Legislation and ethical principles: 1. prohibit the use of non-public information, 2. call for the protection of non-public information 3. regulate the processes of disclosure of non-public information"