One-Tailed Test
A statistical test where the hypothesis is rejected only for sufficiently large or small values of the test statistic, when the direction of the effect is known beforehand.
Open Economy
A detailed analysis of the term 'Open Economy' within economics, including major frameworks and comparative analysis.
Open Outcry
The system of trading in commodities, securities, or currencies by traders meeting together and calling out the trades they are offering.
Open Position
A detailed exploration of what constitutes an 'Open Position' in trading and its implications.
Open-Ended Fund
A form of mutual fund with no restriction on the number of shares issued based on investor demand.
Open-Loop Equilibrium
An equilibrium in multi-stage games where players do not observe previous strategies, allowing no strategy revision.
Opening Prices
An exploration of the bid and offer prices quoted when stock or commodity markets open at the beginning of a working day.
Opportunism
The tendency for one party in a bargain to attempt to change the terms in their favour once the other party has committed itself.
Optimal Control
A method of solving a dynamic optimization problem formulated in continuous time using differential equations and optimization techniques.
Optimal Growth Theory
The analysis of the best growth path for an economy by balancing current utility loss and future utility gain. See also golden rule.