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In fluid dynamics, the entrance length is the distance a flow travels after entering a pipe before the flow becomes fully developed. [1] Entrance length refers to the length of the entry region, the area following the pipe entrance where effects originating from the interior wall of the pipe propagate into the flow as an expanding boundary layer.
Economic sociology is the study of the social cause and effect of various economic phenomena. The field can be broadly divided into a classical period and a ...
A flow variable is measured over an interval of time. Therefore, a flow would be measured per unit of time (say a year). Flow is roughly analogous to rate or speed in this sense. For example, U.S. nominal gross domestic product refers to a total number of dollars spent over a time period, such as a year. Therefore, it is a flow variable, and ...
Basic diagram of the circular flow of income. The functioning of the free-market economic system is represented with firms and households and interaction back and forth. [2] The circular flow of income or circular flow is a model of the economy in which the major exchanges are represented as flows of money, goods and services, etc. between ...
Pure sociology is a theoretical paradigm, developed by Donald Black, that explains variation in social life through social geometry, meaning through locations in social space. A recent extension of this idea is that fluctuations in social space—i.e., social time —are the cause of social conflict.
John Bellamy Foster has thus developed the concept of metabolic rift to develop Marx's understanding of the deleterious effect of capitalism on ecosystems. Society and its metabolism together form an autopoietic system, a complex system that reproduces itself. Neither culture nor social metabolism can reproduce themselves in isolation.
New structural economics is an economic development strategy developed by World Bank Chief Economist Justin Yifu Lin. The strategy combines ideas from both neoclassical economics and structural economics. NSE studies two parts: the base and the superstructure. A base is a combination of forces and relations of production, consisting of, but not ...
He also did foundational work which later developed into evolutionary economics. [182] The sociological subfield of economic sociology arose, primarily through the work of Émile Durkheim, Max Weber and Georg Simmel, as an approach to analysing the effects of economic phenomena in relation to the overarching social paradigm (i.e. modernity). [183]