Fundamental analysis: 0 includes research on population dynamics. 0 refers to finding out as much information as possible on the rms or governments that issue securities. 0 bases predictions for future security performance on past performance. 0 uses very little information. Technical analysis: 0 was very popular historically. but has fallen out of favor. O bases predictions for future security performance on past performance. 0 refers to finding out as much information as possible on the rms or governments that issue securities. 0 includes research on economic growth, industrial performance, or anything that helps investors better understand risk and return. The savingsinvestment identity tells us: 0 personal savings always equals foreign investment in an economy without government. 0 savings always equals investment in an economy without government or trade. 0 foreign savings always equals foreign investment in an economy with trade- 0 savings always equals investment in an economy with government and trade