H2 Econs qn types: mkt developments
How mkt developments —> price, quantity, total revenue/expenditure is the most common price mech qn asked at promos, prelims and A-levels! Save this summary if it helps n lmk if I shd post more of these!
From my experience preparing for H2 Economics exams, mastering the impact of market developments on price and quantity is key to scoring well on price mechanism questions. These questions often require you to identify how non-price determinants like income changes, technological advancements, or government policies shift demand or supply curves. I found it helpful to first list out all factors influencing demand and supply, then determine the direction and relative size of these shifts. For instance, if technological improvements drastically reduce production costs, the supply curve shifts right more than demand. This can lead to a price fall but an increase in quantity supplied. Next, drawing a clear DD/SS diagram to visualize shifts and equilibrium adjustment was invaluable. Explaining how excess demand or supply creates shortages or surpluses helped me clarify why prices adjust until a new equilibrium is reached. This graphical explanation was often rewarded by examiners. Additionally, linking these shifts to total revenue or total expenditure was crucial. I learned to consider the Price Elasticity of Demand (PED) and Supply (PES) to predict how changes in price and quantity affect total revenue. For example, if demand is price inelastic, a small drop in quantity demanded doesn’t offset the price rise, so total revenue increases. Incorporating these steps made my answers structured and comprehensive. Using examples like the sharp price rise of chicken in Malaysia or price drop in lithium helped apply theory to real-life scenarios. Overall, practicing this step-by-step process improved my confidence and helped me tackle diverse market development questions effectively. If you’re preparing for similar economics exams, I’d highly recommend creating your own summary of demand and supply factors, practicing DD/SS diagrams, and understanding elasticities to connect price, quantity, and revenue changes thoroughly.
