# What is flow and stock concept in economics?

## What is flow and stock concept in economics?

Stock refers to any quantity that is measured at a particular point in time, while flow is referred to as the quantity that can be measured over a period of time. The concept of stock and flow is very essential in Economics, as it helps to understand the development of economic variables.

What is stock and flow with examples?

The concept of stock and flow is mainly used while computing the national income of a country. For Example: While savings is stock, investment is a flow, the distance between two places is a stock, but the speed of the vehicle is a flow. Similarly, income is a flow, whereas wealth is a stock.

### What do you understand by stock and flow variables explain with the help of an example write the difference between stock and flow variable?

A stock variable is measured at a particular point of time. For example, bank balance as on October 01, 2010 is Rs 5000. A flow variable is measured over an interval of time. For example, interest earned on bank deposits for 1 year, i.e. from October 01, 2009 to September 30, 2010.

Which is the example of flow in economics?

Likewise, investment (i.e., addition to the stock of capital) is a flow as it pertains to a period of time. Other examples of flows are: expenditure, savings, depreciation, interest, exports, imports, change in inventories (not mere inventories), change in money supply, lending, borrowing, rent, profit, etc.

## Is savings a stock or flow?

flow variable
Wealth is measured in dollars at a point in time and is a stock variable. Saving is measured in dollars per unit time and is a flow variable.

What is the difference between a stock and a flow?

A stock is measured at one specific time, and represents a quantity existing at that point in time (say, December 31, 2004), which may have accumulated in the past. A flow variable is measured over an interval of time. Therefore, a flow would be measured per unit of time (say a year).

### What is a stock flow model?

What Is the Stock-to-Flow Model? The stock-to-flow model takes a simpler approach to predicting value changes. It measures the current stock of an asset against the flow of new production or how much is mined in a year. A higher ratio indicates more scarcity, which in turn indicates a higher value.

What is flow in economics class 12?

Flow: These are defined as any quantity measured per unit at a particular period of time. e.g. income or expenditure over a time period of one month or one year.

## What’s the difference between flow variable and stock variable?

An easy way to distinguish between flow and stock variables is that a flow variable is measured over a period of time while stock variable is measured at a specific point of time.

Is money a stock or flow?

A flow is any quantity that must be measured over a period of time. Income is a flow. A stock is any quantity that is measured at a single instant in time. The money supply is a stock.

### Is inventory stock or flow?

Inventory is a stock variable because it is measured at a point of time and change in inventory is a flow variable because it ts measured for a period of time.

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