Demand, Supply and Price Determination

The weekly demand function for cocoa in a competitive market is expressed as $Q_d = 650 - 15P$ and the supply function is expressed as $Q_s = -150 + 25P$, where $P$ represents the price in Naira per bag, $Q_d$ is the quantity demanded, and $Q_s$ is the quantity supplied. What is the market equilibrium quantity in bags?

In a local agricultural market, the demand function for yam tubers is given by $Q_d = 500 - 20P$ and the supply function is $Q_s = -100 + 40P$, where $P$ represents the price per tuber in Naira ($₦$). If the market price is set at $₦8$, which of the following best describes the resulting market condition?

The market demand and supply functions for a staple food item are given as $Q_d = 100 - 4P$ and $Q_s = 20 + 4P$, where $P$ is the price in Naira, $Q_d$ is the quantity demanded, and $Q_s$ is the quantity supplied. If the government fixes a maximum price ceiling of $\text{N}5$, what will be the resulting market situation?

Match each price control term or policy outcome on the left with its corresponding economic description or market consequence on the right.

Match each economic scenario on the left with its precise effect on the demand curve for the specified target commodity on the right.

A timber processing enterprise in Edo State uses its harvested mahogany wood to produce either construction scaffolding or executive furniture. When a government housing project drives up the market price of construction scaffolding, the enterprise reallocates most of its mahogany timber toward scaffolding production, causing a decline in the supply of executive furniture. Which type of supply is demonstrated by the relationship between construction scaffolding and executive furniture?

The table below presents a household's monthly purchase schedule for local rice at different prices:

Based on the data provided, which of the following statements correctly describes the consumer behavior illustrated in the schedule?

Initially, $P_X = \text{₦}20$, $Y = \text{₦}4,000$, and $P_Y = \text{₦}50$. If the price of Good $X$ increases to $\text{₦}30$ while monthly consumer income simultaneously rises to $\text{₦}6,000$ (with $P_Y$ remaining unchanged at $\text{₦}50$), which of the following statements accurately analyzes the graphical behavior of the demand curve and the resulting net quantity demanded of Good $X$?

Following a reduction in the market price of palm oil, a household increases its monthly purchase of palm oil while all non-price determinants remain unchanged. Which of the following statements correctly describes this consumer response?

According to the fundamental law of demand, assuming all non-price factors remain constant (ceteris paribus), what is the expected result of an increase in the price of a normal commodity?

When an increase in the price of tea leads directly to an increase in the demand for coffee as an alternative, which type of demand is demonstrated?

When the unit price of bread in a local market drops from ₦800 to ₦600 while all non-price factors remain constant, a household increases its weekly consumption of bread from 3 loaves to 5 loaves. How is this change in purchasing behavior correctly categorized in economic analysis?

A luxury wristwatch brand in Lagos increases the retail price of its flagship timepiece from ₦500,000 to ₦750,000, resulting in an increase in monthly quantity demanded from 120 units to 180 units among high-income consumers. Ceteris paribus, which economic concept accounts for this exception to the fundamental law of demand?

A fall in the price of electric vehicles leads to an increase in the demand for charging stations and a decrease in the demand for petrol vehicles. What types of demand do charging stations and petrol vehicles exhibit relative to electric vehicles?

Complete the statement below by identifying the correct economic classifications of demand demonstrated in the road construction scenario.

Complete the statement below regarding market demand relationships by identifying the correct classification of demand.

An economic study of consumer behavior in an urban market reveals that when household disposable income rises by $15\%$, consumer purchases of local unpolished rice decrease by $8\%$. Subsequently, the government grants a production subsidy to rice farmers, causing the retail market price of local unpolished rice to fall by $20\%$. Based on economic principles governing demand determinants, which of the following correctly classifies local unpolished rice and describes the immediate effect of the price reduction on its demand curve?

A commercial bakery increases the retail price of a loaf of white bread from ₦500 to ₦700, causing households to purchase fewer loaves per week. Simultaneously, a national health campaign alters consumer preferences away from refined flour products. Which of the following correctly describes how these two events are represented on the demand curve for white bread?

Match each economic market scenario on the left with its corresponding type of demand classification on the right.

A poultry farmer in Ogun State raises birds primarily for meat production. In the process, poultry manure and feathers are automatically produced alongside chicken meat. Which type of supply is illustrated by this production process?