JAMB 2019 Economics · Question 16
An example of a market which approaches fairly near to perfection is____________
Options
- A.the retail market
- B.the house market
- C.the labour market
- D.the foreign exchange market
Answer: D. the foreign exchange market
Explanation written with AI and checked against the answer key
1. Analyze the question The question asks which market comes closest to a perfect market. That means we must recall the features of perfect competition and see which option matches them best.
2. Explain the concept A perfect market has these features:
- A homogeneous (identical) product
- A very large number of buyers and sellers, so no one can influence the price
- Perfect knowledge: everyone knows the prices and conditions
- Free entry into and exit from the market
- Perfect mobility of goods and factors
- A single price for the product across the market
Markets that come nearest to this are usually organised markets for standardised products, such as the stock exchange, the foreign exchange (forex) market, and commodity markets (e.g. cocoa or grain exchanges).
3. Test each option
- A. Retail market: Products are differentiated by brand and quality, prices vary from shop to shop, and buyers lack full information. This is far from perfect.
- B. House market: Every house is unique in location, size and condition. Buying and selling is slow and costly, and information is poor. This is far from perfect.
- C. Labour market: Workers differ in skills, mobility is limited, and wages are affected by unions and government regulation. This is far from perfect.
- D. Foreign exchange market: Currencies are homogeneous (one US dollar is the same as any other), there are many buyers and sellers, information on rates spreads almost instantly, and prices are nearly uniform worldwide. This is the closest to perfection.
4. Answer
5. Exam tip When you see "perfect market", think of standardised products plus instant information. Stock exchange, forex market and commodity exchange are the classic examples. Markets for unique items (houses) or differentiated goods (retail) are never close to perfect.
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