There has been some discussion with regard to GDP growth in this election period. Those who did not study economics may not be clear about certain jargons being used. Traditionally, GDP = C + G + I + X-M meaning that GDP depends on consumption, government spending, investments and net exports. However, absolute quantity of GDP is not the focus most of the time but instead it is the GDP growth that is often the focus. When comes to GDP growth, it is actually more complicated than it seems. According to a particular economic theory called neo-classical, the trend growth of GDP depends on growth from labor inputs, productivity increases from equipment or new machines (i.e. growth from capital inputs) and growth in total factor productivity which is growth from increase in the productivity in using capital inputs and resulting from increased efficiency in using capital inputs. A mathematic ......