Table 1 The conceptual transfer of knowledge diffusion models in Regional Innovation Ecosystems under the model of infectious diseases and digitalization.

From: Dynamic analysis and optimal control of knowledge diffusion model in regional innovation ecosystem under digitalization

SIR model

SEIR model

Knowledge diffusion model

Pathogen

The knowledge diffused in the regional innovation ecosystem under digitization

Innovation knowledge diffusion

Carriers

Subjects holding innovative knowledge

Innovation source

Susceptible person

Potential diffusion knowledge subjects with diffusion ability in the system

Potential knowledge diffusion subjects

Infected people

Subjects involved in knowledge diffusion

Recipient

Removed people

Received the knowledge but used alternative knowledge

Immune person

Infection rate

Ratio of knowledge diffusion entities receiving innovative knowledge

Diffusivity

Cure rate

Ratio of innovative entities using alternative knowledge

Abandonment rate