Technological Change in Israel: World-System (1960-2100)
Israel is a World-System leader in Technological Change. Google AI Notes:
However, the description has been challenged: The Myth of Israel Innovation. Using the IL_L20 Models, the hypothesis of Israel TECH dominance can be tested.
The best short-term model, using AIC Statistics to make the selection, was the Business-As-Usual (BAU) Model. The best Attractor Path model was the Regional Input (MEA) model. Neither TECHP (Productivity) nor TECHE (Efficiency) models were strong competitors (see the graphic above).
This post compares the models.
Notes
Within Systems Theory there are three types of technology: Learning by Doing, Technical Productivity (TECHP) and Technical Efficiency (TECHE). Learning by Doing is measured by the coefficient on the first Growth State variable (usually F[1,1]). TECHP and TECHE are measured by indexes (see below). For more information, see the About page.
IL_TECHP Measurement Model
Technical Productivity (TECHP) in Israel is measured by three indexes that explain over 98% of the variation in the underlying indicators (CO2/N, E/N, GDP/N and L/N). TECHP1 measures overall growth in the indicators and explains over 88% of the variation. TECHP2 is an historical controller (E/N - L/N - Q/L), energy productivity compared to Employment and Labor productivity. TECHNP3 is an historical controller (L/N - Q/N - CO2/N) comparing Employment Productivity compared to GDP Productivity and CO2 productivity.
Over time, TECHP1 reaches a limit after 2000, TECHP2 is relatively constant (except for the period after WWII) and TECHP3 is cyclical.
IL_TECHE Measurement Model
Technical Efficiency is measured by the Intensive Coefficients of the Kaya Identity. In Israel, TECHE1 = (E/Q + Q/L - L/N - CO2/N), an historical Energy-Labor Productivity controller compared to Employment and Emissions that explains 0ver 72% of the variation. TECHE2 = (CO2/E + Q/L - L/N - E/Q) an historical Emission-Employment controller compared to Employment and Energy Efficiency. TECHE3 = (Overall Growth).
Over time, TECHE1 has been decreasing, TECHE2 has been relatively stable and TECHE3 has been mildly cyclical.
IL_TECHP State Space Model
IL_TECHE State Space Model
The IL TECHE-Input Model is nonlinear, cyclical and unstable.
IL_SYS BAU Model
IL_SYS MEA-Input Model
IL_SYS Model AIC Statistics
The AIC Statistics for the step-ahead models are presented above. There is a lot of overlap in the models.
Comments
Post a Comment