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  2. Stock and flow - Wikipedia

    en.wikipedia.org/wiki/Stock_and_flow

    The ratio of a stock over a flow has units of (units)/(units/time) = time. For example, the debt to GDP ratio has units of years (as GDP is measured in, for example, dollars per year whereas debt is measured in dollars), which yields the interpretation of the debt to GDP ratio as "number of years to pay off all debt, assuming all GDP devoted to ...

  3. Cash flow statement - Wikipedia

    en.wikipedia.org/wiki/Cash_flow_statement

    The cash flow statement shows the sources of a company's cash flow and how it was used over a specific time period. It is an important indicator of a company's financial health, because a company can report a profit on its income statement , but at the same time have insufficient cash to operate.

  4. Stock-flow consistent model - Wikipedia

    en.wikipedia.org/wiki/Stock-Flow_consistent_model

    The consistency of the accounting is ensured by the use of three matrices: i) the aggregate balance sheets, with all the initial stocks, ii) the transaction flow, recording all the transactions taking places in the economy (e.g. consumption, interests payments); iii) the stock revaluation matrix, showing the changes in the stocks resulting from ...

  5. Stocks-to-use ratio - Wikipedia

    en.wikipedia.org/wiki/Stocks-to-use_ratio

    It is typically used for grain commodity stocks such as wheat, corn and soybeans where it can be used to compare both the ending stock, along with the stocks-to-use ratio against previous years, this percentage number is a good indicator of whether current ending stock levels are at historically small amounts to justification for higher prices ...

  6. System dynamics - Wikipedia

    en.wikipedia.org/wiki/System_dynamics

    A stock and flow model helps in studying and analyzing the system in a quantitative way; such models are usually built and simulated using computer software. A stock is the term for any entity that accumulates or depletes over time. A flow is the rate of change in a stock. A flow is the rate of accumulation of the stock. In this example, there ...

  7. Price-to-cash flow ratio - Wikipedia

    en.wikipedia.org/wiki/Price-to-cash_flow_ratio

    The price/cash flow ratio (also called price-to-cash flow ratio or P/CF), is a ratio used to compare a company's market value to its cash flow.It is calculated by dividing the company's market cap by the company's operating cash flow in the most recent fiscal year (or the most recent four fiscal quarters); or, equivalently, divide the per-share stock price by the per-share operating cash flow.

  8. Data-flow diagram - Wikipedia

    en.wikipedia.org/wiki/Data-flow_diagram

    The flow from the warehouse usually represents reading of the data stored in the warehouse, and the flow to the warehouse usually expresses data entry or updating (sometimes also deleting data). The warehouse is represented by two parallel lines between which the memory name is located (it can be modeled as a UML buffer node).

  9. Dimensionless numbers in fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_numbers_in...

    Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.