Stages

Input varibles

Output varibles

Control varibles

P1

Total green R&D

Full time equivalent of R&D personnel

Valid invention patent

Education

Govrnment support

P2

Scientific, technological activities peoples

Valid invention patents

New product development expenditure

New product development projects

New type, appearance patents authorization

Economic level

P3

New product development projects

New type ,appearance patents authorization

New product sales revenue

Comprehensive index of environment

Market structure