New technology may be invented or current technology may be improved gradually by investing in research.
Most S. Journal of Asian Economics 15 4 : The Quarterly Journal of Economics 4 : Macroeconomic Stability and Growth.
Demand Factor The increased supply of goods and services caused by the supply factors must be sustained by increased demand for goods and services in the economy.
Fundamental Sources of Long-Run Growth. Global Economy Journal 9 3 : Checherita-Westphal C.