Three types of flows, income, output and expenditure are always equal to each other for a particular period of time giving rise to what we call triple identity: Output = Income = Expenditure, Schumpeter was the first economist who treated national income as the study of three flows.
What causes an increase in the circular flow of income?
Injections increase the flow of income. Injections can take the forms of investment, government spending and exports. As long as leakages are equal to injections, the circular flow of income continues indefinitely. Financial institutions or capital market play the role of intermediaries.
Is balance in bank account stock or flow?
(iv) Balance in bank account: This is a stock variable which is measure on a specific date, i.e. point of time. Ans. (i) Losses: These are those flows as it is measured over a period of time.
What are examples of injections in economics?
Injections include investment spending, government spending and exports. When leakages equal injections, total spending will equal total output and the macroeconomy will be in equilibrium.
What is the difference between stock and flow in economics?
Both the stock and flow are interdependent on each other….Difference between stock and flow.
| Stock | Flow |
|---|---|
| Stock influences the flow, as such greater amount of capital will lead to greater flow of services | Flow influences the stock, as in increased flow of money supply in an economy results in increase in the quantity of money |
| Examples |
What is the difference between stock and flow variable?
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).
How income is flow concept?
National income is a flow concept because it is measured over a period of time (length of time). Thus, income is generated. The recipients of these incomes (i.e., factor owners or households) in turn spend their incomes on purchase of goods and services (produced by firms) to satisfy their wants.
