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A dual economy is the existence of two separate economic sectors within one country, divided by different levels of development, technology, and different patterns of demand. The concept was originally created by Julius Herman Boeke to describe the coexistence of modern and traditional economic sectors in a colonial economy.
Though the economics guiding which of the two is used to finance the government deficit can get more complicated than what is shown above, the essence of it is that if foreigners' savings pay for the budget deficit, the current account deficit grows. [3]
The economic rationale behind this idea of labor reallocation is that of faster economic development. The essence of labor reallocation lies in Engel's Law , which states that the proportion of income being spent on food decreases with increase in the income-level of an individual, even if there is a rise in the actual expenditure on food.
The coincidence of wants (often known as double coincidence of wants) [1] [2] [verification needed] is an economic phenomenon where two parties each hold an item that the other wants, so they exchange these items directly. Within economics, this has often been presented as the foundation of a bartering economy. [3]
The Dual Sector model, or the Lewis model, is a model in developmental economics that explains the growth of a developing economy in terms of a labour transition between two sectors, the subsistence or traditional agricultural sector and the capitalist or modern industrial sector.
The dual labour market (also referred to as the segmented labour market) theory aims at introducing a broader range of factors into economic research, such as institutional aspects, race and gender. [1] [citation needed] It divides the economy into two parts, called the "primary" and "secondary" sectors. The distinction may also be drawn ...
In economics, an input–output model is a quantitative economic model that represents the interdependencies between different sectors of a national economy or different regional economies. [1] Wassily Leontief (1906–1999) is credited with developing this type of analysis and earned the Nobel Prize in Economics for his development of this model.
Wire-grid Cobb–Douglas production surface with isoquants A two-input Cobb–Douglas production function with isoquants. In economics and econometrics, the Cobb–Douglas production function is a particular functional form of the production function, widely used to represent the technological relationship between the amounts of two or more inputs (particularly physical capital and labor) and ...