Archives: Terms

Definition of Autocovariance Autocovariance represents a mathematical concept used in statistics and time series analysis to measure the covariance of a variable with itself at different points in time. It indicates the degree to which earlier values in the series influence later values. Essentially, autocovariance quantifies the linear dependency between […]

Definition of Autocorrelation Coefficient The autocorrelation coefficient is a statistical measure used to determine the degree to which a series of numbers, such as stock prices or economic data, is related to itself over successive time intervals. It identifies the extent to which current values in the series are influenced […]

Definition of Autocorrelation Autocorrelation, also known as serial correlation, refers to the degree of similarity between a given time series and a lagged version of itself over successive time intervals. It measures how the values of the series at a specific time point are related to its values at previous […]

Definition of Authorized Capital Authorized capital, also known as authorized share capital or nominal capital, refers to the maximum amount of share capital that a company is authorized by its corporate charter to issue to shareholders. It is a fixed amount, stated in the company’s articles of association or its […]

Definition of Autarchy Autarchy, not to be confused with autocracy, refers to an economic system or policy aimed at self-sufficiency. In an autarchic system, a geographic region or country seeks to minimize its reliance on external economic actors, aiming to produce all that it needs within its own borders. This […]

Definition of the Augmented Phillips Curve The Augmented Phillips Curve represents a modern adaptation of the original Phillips Curve, integrating the role of expectations about inflation into the traditional relationship between unemployment and inflation. The original Phillips Curve suggested a stable and inverse relationship between the rate of unemployment and […]

Definition of Augmented Dickey-Fuller Test The Augmented Dickey-Fuller (ADF) test is a statistical test used to determine whether a time series is stationary or has a unit root, a condition indicating a potential non-stationarity. The presence of a unit root suggests that a time series can be unpredictable and may […]

Definition of Audit An audit refers to the systematic review and assessment of information or documents by a qualified individual or team. The primary objective of an audit is to ascertain the accuracy, validity, and reliability of the information presented, usually in the financial statements of an organization. This process […]

Definition of Auctioneer An auctioneer is a professional who conducts auctions by accepting bids and declaring goods sold. These individuals play a crucial role in auction houses, managing the sale of items ranging from antiques and art to real estate and vehicles. Their primary responsibility is to facilitate the bidding […]

Definition of Auction An auction is a market mechanism characterized by the direct interaction of buyers and sellers where goods or services are sold to the highest bidder. It is a competitive process whereby the item on sale is offered up for bidding, and participants place bids without knowing the […]