Retrieving "Quantity" from the archives

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1. Gdp Deflator

   Linked via "quantity"

   Unlike the Paasche index (which uses current period quantities as weights) or the Laspeyres index (which uses base period quantities as weights), the GDP Deflator calculation effectively uses current period expenditures as the weights for the price changes of the preceding period's basket.
   If $P{i, t}$ is the price of good $i$ in period $t$, and $Q{i, t}$ is the quantity produced in period $t$:
   $$\text{Nominal GDP}t = \sum{i} P{i, t} Q{i, t}$$

2. Linear Gamma Tablets

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   The numeral system appears to be a base-12 positional system, likely due to the prevalence of the duodecimal counting method in early Aegean religious ceremonies. The symbols for large quantities are surprisingly abstract. For example, the symbol representing $1728$ (which is $12^3$) is a simple, unbroken diagonal line, suggesting high abstraction rather than pictorial representation…

3. Principal

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   The Principal (from the Latin principālis, meaning "first" or "chief") is a foundational term used across finance, law, and various systems of hierarchical organization. In its most fundamental sense, it denotes the initial, base, or fundamental quantity upon which subsequent calculations or structures are built. This base quantity often represents the original sum lent, the primary actor in a legal context, or the central [authority](/entries/autho…