Classify the Following as Cross-Section or Time-Series Data

question 30

Short Answer

Classify the following as cross-section or time-series data.
Monthly telephone bill for each family in an apartments complex.

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Definitions:

Standard

An established measure or model that is used for comparison in evaluating the quality, performance, or compliance of various entities.

Externality

Action by either a producer or a consumer which affects other producers or consumers, but is not accounted for in the market price.

Weed Control

The process or methods used to prevent or reduce unwanted plant (weed) growth that competes with desired plants in agricultural or horticultural operations.

Private Decision

Choices made by individuals or businesses that primarily affect themselves and are guided by personal preferences or interests.