Surveys of the literature on innovation have found a variety of definitions. In 2009, Baregheh et al. found around 60 definitions in different scientific papers, while a 2014 survey found over 40. Based on their survey, Baragheh

 ...

Several frameworks have been proposed for defining types of innovation.
Sustaining vs disruptive innovation
One framework proposed by Clayton Christensendraws

 ...

The word "innovation" once had a quite different meaning. The first full-length discussion about innovation is the account by the Greek philosopher and historian Xenophon(430–355 BCE). He viewed the concept as multifaceted and connected it to political action. The

 ...

An early model included only three phases of innovation. According to Utterback (1971), these phases were: 1) idea generation, 2) problem

 ...

Measuring innovation is inherently difficult as it implies commensurability so that comparisons can be made in quantitative terms. Innovation,

 ...

Given its effects on efficiency, quality of life, and productive growth, innovation is a key driver in improving society and economy. Consequently, policymakers have worked to develop environments that will foster innovation, from funding research and developmentto

 ...

Diffusion of innovation research was first started in 1903 by seminal researcher Gabriel Tarde, who first plotted the S-shaped diffusion curve. Tarde defined the innovation-decision process as a series of steps that include:
1.

 ...