Final answer:
In mathematics, the taxonomic classification system organizes categories from smaller to larger sizes.
Step-by-step explanation:
The question refers to categories arranged sequentially and implies a system of organization where categorical sizes are the same and the starting point, or zero, is not fixed but arbitrary. This can relate to various subjects but seems to align best with Mathematics due to the mention of the zero being arbitrary and the similarity to mathematical classifications such as in taxonomy or vector algebra where zero has a specific definition.
In Mathematics, especially in the fields of statistics or algebra, we see categories arranged in specific ways to convey information effectively, such as in Pareto charts or when referring to the null vector in vector algebra. The null vector is particularly interesting as it generalizes the concept of zero to multidimensional space, establishing that it has no length or direction, epitomizing the arbitrariness of zero in this context.
Additionally, the reference to the fungibility of dollars by economists indicates how values in different categories can be considered equal, another concept that is pertinent in Mathematical Economics.