Economics · Class 12 Commerce
Ch 19Market Structure and Price Determination — Class 12 Economics, concept-first.
Every question solved the concept-first way: concept → why this formula → step-by-step.
Key concepts
Hover a concept to preview it and jump to its most relevant Q&A.
Perfect Competition: Features and Equilibrium
A perfectly competitive market has a very large number of buyers and sellers (each too small to influence price), a homogeneous product, free entry and exit, and perfect information — so every firm is a price taker facin…
Most relevant Q&A
- Show how the price of a commodity is determined through the interaction of aggregate demand and aggregate supply in a perfectly competitive…Preview
- Write true or false: All firms in a perfectly competitive market sell a homogeneous product. **Or** Write true or false: In an oligopoly mar…Preview
- Write the features of a perfectly competitive market. **Or** What is a shutdown point? Explain the circumstances under which a perfectly com…Preview
- Write true or false: There exists no difference between firm and industry in a monopoly market.Preview
- Fill in the blank: In a ___ market, there is no difference between a firm and an industry. **Or** Fill in the blank: In a perfectly competit…Preview
Questions & Answers
Open any question to start with the concept, not the answer.
+−Sample & Board questionsi34 questions
- Q1Show how the price of a commodity is determined through the interaction of aggregate demand and aggregate supply in a perfectly competitive…Preview
- Q2In a monopoly market at the equilibrium position market price will be— (a) equal to AC (b) equal to MC (c) equal to AR (d) equal to MR.Preview
- Q3If the percentage change in the quantity supplied is equal to the percentage change in price, then the price elasticity of supply is— (a) 0…Preview
- Q4Fill in the blank: If prices of factors of production rise, the supply curve of the commodity shifts to the ___. **Or** Fill in the blank: I…Preview
- Q5Fill in the blank: In the mark-up theory, Price = ___ + mark up.Preview
- Q6Write true or false: All firms in a perfectly competitive market sell a homogeneous product. **Or** Write true or false: In an oligopoly mar…Preview
- Q7Write the features of a perfectly competitive market. **Or** What is a shutdown point? Explain the circumstances under which a perfectly com…Preview
- Q8In case of perfectly inelastic supply, the supply curve is (a) horizontal (b) vertical (c) downward sloping (d) upward rising.Preview
- Q9Fill in the blank: In the mark-up system it is assumed that the long-run industry supply curve will be ___.Preview
- Q10Write true or false: There exists no difference between firm and industry in a monopoly market.Preview
- Q11Write true or false: If there are losses of crops due to drought, the supply curve of an agricultural product will be downward sloping.Preview
- Q12If price elasticity of supply is infinity, the supply curve will be— (a) backward bending (b) upward rising from left to right (c) vertical…Preview
- Q13Write true or false: In a monopolistically competitive market, each firm sells a differentiated product having many close substitutes. **Or*…Preview
- Q14Fill in the blank: The main proponent of the theory of mark-up pricing is ___.Preview
- Q15Write true or false: If production of an agricultural crop in a season increases due to favourable weather, the supply curve of the agricult…Preview
- Q16Fill in the blank: In a monopoly market, price and ___ revenue are always equal. **Or** Fill in the blank: The demand curve facing a monopol…Preview
- Q17If the price elasticity of supply is zero, the supply curve will be— (a) backward bending (b) upward sloping from left to right (c) vertical…Preview
- Q18The demand curve for the goods sold by a monopolist is always— (a) upward sloping (b) downward sloping (c) vertical (d) horizontal.Preview
- Q19Write true or false: If the supply curve is a straight line passing through the origin, then at every point on it the value of the price ela…Preview
- Q20Fill in the blank: In a ___ market, there is no difference between a firm and an industry. **Or** Fill in the blank: In a perfectly competit…Preview
- Q21Fill in the blank: In the case of manufactured/industrial goods, price is ___ determined. **Or** Fill in the blank: Under the Mark-up system…Preview
- Q22What are the necessary and sufficient conditions for the short-run equilibrium of a perfectly competitive firm? Show how, when these conditi…Preview
- Q23If the law of supply holds, the supply curve will be— (a) vertical (b) upward sloping (c) horizontal (d) downward sloping.Preview
- Q24One condition for equilibrium in a monopoly business is— (a) MR = MC (b) P = MC (c) P = MR (d) MC = AC.Preview
- Q25Fill in the blank: If production cost increases due to a rise in workers' wages, the firm's supply curve shifts ___.Preview
- Q26Write true or false: In a perfectly competitive market, firms sell goods at different prices from one another. **Or** Write true or false: O…Preview
- Q27Write true or false: In a perfectly competitive market, there is only one seller. **Or** Write true or false: The value of the Lerner's mono…Preview
- Q28State the assumptions of the marginal productivity theory of distribution. **Or** How is the wage rate determined in a perfectly competitive…Preview
- Q29At equilibrium in the monopoly market, the value of price elasticity is— (A) zero (B) more than 1 (C) less than 1 (D) 1.Preview
- Q30When the supply curve is an upward sloping straight line starting from the origin, then the value of elasticity of supply (e_s) will be— (A)…Preview
- Q31Write true or false: A perishable good has a very high price elasticity of supply. **Or** Write true or false: If there are losses of crops…Preview
- Q32Fill in the blank: In monopolistic competition each seller sells a ___ product.Preview
- Q33Write true or false: According to Lerner, the degree of monopoly power = (P - MC)/P. **Or** Write true or false: At equilibrium in the monop…Preview
- Q34Write true or false: Mark-up is nothing but planned profit. **Or** Write true or false: In case of an industrial good, price is cost-determi…Preview