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The blue curve is broken into sections of adopters. Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett Rogers in his book Diffusion of Innovations, first published in 1962. [1]
The stability–instability paradox is an international relations theory regarding the effect of nuclear weapons and mutually assured destruction.It states that when two countries each have nuclear weapons, the probability of a direct war between them greatly decreases, but the probability of minor or indirect conflicts between them increases.
A threshold can be set for each user to adopt a product. Say that a node v in a graph has d neighbors: then v will adopt product A if a fraction p of its neighbors is greater than or equal to some threshold. For example, if v's threshold is 2/3, and only one of its two neighbors adopts product A, then v will not adopt A.
To describe and understand global cascades, a network-based threshold model has been proposed by Duncan J. Watts in 2002. [1] The model is motivated by considering a population of individuals who must make a decision between two alternatives, and their choices depend explicitly on other people's states or choices.
The two-factor theory (also known as Herzberg's motivation-hygiene theory and dual-factor theory) states that there are certain factors in the workplace that cause job satisfaction while a separate set of factors cause dissatisfaction, all of which act independently of each other.
The theory of diffusion of innovations differs from other theories about the processes of change since most changes are improvements, or "reinventions", of a previously existing product or technique. These changes are generally favorably perceived by the members of the group because they usually are more in line with the values and needs of the ...
Bremmer's J Curve describes the relationship between a country's openness and its stability; focusing on the notion that while many countries are stable because they are open (the United States, France, Japan), others are stable because they are closed (North Korea, Cuba, Iraq under Saddam Hussein). According to Bremmer, a government's ...
The book puts forward a capitalist peace theory, first published as an opinion piece in The New York Times in December 1996, called the Golden Arches Theory of Conflict Prevention; although slightly tongue-in-cheek, [1] it states: No two countries that both have a McDonald's have ever fought a war against each other. [2]