transport economics

Answer all questions 1. It is understood that there are certain factors that influence global flows and trade. In the context of South Africa, identify five that you believe contribute the most to South Africa's global flows and trade and explain why you believe so. (25) 2. Explain any five social and economic significance of public transportation in South Africa. (25) 3. In your own words, explain the concept "demand elasticity" (10) and further explain why prices of certain products have increased since the opening of the South African economy after covid level 1 lockdown (15). (25) 4. Three fundamental information requirements i.e. quality standards, multidirectional flow and decision support are important for effective transportation management and decision making. Explain the significance of these information requirements in the context of the current global pandemic- COVID-19. (8+8+9=25)