Theory of consumer behaviour — Economics STD 12 Humanities & Commerce — Question

Comment upon the shape of demand curve if the price of a commodity rises by 10% and there is no change in its quantity demanded.

Explain how do ‘open market operations’ by the central bank affect money creation by commercial banks.

GDP growth rate in India for the last few years is more than 6% but still more than 28% of population is lying below poverty line. Explain any two factors responsible for it.

Find out average fixed cost in:

Total Output (Units)	Total Cost (Rs)
0	120
1	180
2	200
3	210
4	230
5	270
6	360

What are the reasons or causes for excess demand?

Distinguish between individual demand and market demand with the help of a schedule.

What are margin requirements? How does lowering or raising of margin requirements affect availability of credit?

A dentist was charging ₹ 300 for a standard cleaning job, and per month it SEE used to generate total revenue equal to ₹ 30,000. She has increased the price of dental cleaning to ₹ 350 since last month. As the result of, few customers are now coming for dental clearing, but the total revenue is now ₹ 33,250. From this, what can we conclude about the elasticity of demand for such a dental service. Calculate PED by proportionate method.

A consumer consumes only two goods X and Y and is in equilibrium. Show that when the price of good X rises, the consumer buys less of good X. Use utility analysis.

Explain two sources each of demand and supply of foreign exchange.