Impact on GDP

\(\Delta GDP_{c,ss,a,y} = \phi_{c,ss,a,y} \cdot \Delta inv_{c,ss,a,y}\)

\(\Delta GDP_{c,ss,a,y} = \) impact on gross domestic product (id_indicator_chart = 4), synonym: additional GDP generated by investment for energy saving measure

\(\phi_{c,ss,a,y} = \) coefficient for GDP effect, extracted from e3m Excel file (id_parameter = 38)

\(\Delta inv_{c,ss,a,y} = \) annual total investment in € from measure specific parameters, source: module Investments