The Case: Agriculture is an important sector of Pakistan’s economy. This sector directly supports the country’s population and accounts for 26 percent of gross domestic product (GDP). The major agricultural crops include cotton, wheat, rice, sugarcane, fruits and vegetables. The annual sugarcane output has averaged around 74m tones in the last four years, according to the economic survey. As a result, the average production of sugar between 201314 and 201617 remained well above 5.7m tones. Further, the average wheat output has remained above 25.6m tones in the last four years compared to generously estimated national average consumption of 24m tones, according to the economic survey of Pakistan. Suppose the wheat and sugarcane is facing the following demand functions: Demand function for wheat crop: Demand function for sugarcane crop: Requirements: 1. Calculate price elasticity of demand of agricultural products using point elasticity method for wheat crop and sugarcane crop in the following cases: a. If market price of wheat is Rs.1300 per ton. b. If market price of sugarcane is Rs. 180 per ton. (Note: You are required to use given demand function and market price for calculation of price elasticity of demand of each product) Solution :
Solution: Qd=1500030P+ P^{2} Qd=150030(1300) + (1300^{2}) Qd=1500039000+ 1690000 Qd=1666000 Dq/ Dp =30 +2P Dq/ Dp =30+2p Dq/ Dp =30+2(1300) Dq/ Dp =2570 The formula of elasticity = (Dq/Dp) (P/Q) = (2570) (1300/1666000) =2.01
Qd=1200020P+2P^{2} Qd=1200020(180)+2(180)^{2} Qd=120003600+64800 Qd=7320 Dq/ Dp=20+4P Dq/ Dp =20+4(180) Dq/ Dp =20+720 Dq/ Dp =700 The formula of elasticity = (Dq/Dp) (P/Q) = 700(180/7320) = 1.72

Solution :
RATIONING & SUPPLY SHOCKS (ALTERATION OF EQUILIBRIUM PRICE BY THE GOVT) There are two ways for this: 1. Through Tax : Tax (to be paid by the producer) will increase the Supply Price, Supply Curve shifts left ward, Price increases & quantity decreases. 2. Through Subsidy : Subsidy (given to the producer) will decrease the Supply Price, Supply Curve shifts rightward, Price decreases & quantity increases .
DOWNLOAD SOLUTION HERE