# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Order-Driven Market
An examination of the order-driven market system where intermediaries match buy and sell orders.
Ordinal Utility
A detailed examination of ordinal utility, meaning and its representation in economic theory.
Ordinary Least Squares
A method of estimation of the coefficients in a linear regression by minimizing the sum of squared residuals.
Ordinary Share
The UK term for a share in the equity of a company, equivalent to common stock in the US.
Organization for Economic Co-operation and Development - Definition and Meaning
The Organization for Economic Co-operation and Development (OECD) is an international organization established to aid member states in developing economic and social policies that promote sustained economic growth with financial stability.
Organization of the Petroleum Exporting Countries (OPEC)
An organization of oil-producing countries established to coordinate policies and manage the negotiate of oil prices through a cartel arrangement.
Origin Principle of Taxation
An international trade policy framework in which goods and services are taxed in their country of production.
Outlier
A statistical term referring to an observation that significantly deviates from the rest of the data.