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EXCESS DEMAND 50. BUFFER STOCK SELLS 50. EXCESS SUPPLY 20. BUFFER STOCK BUYS 20. P = $4.00. Price Ceiling. P = $3.00. Price Floor. D’. 10. 30. 70. 120. The diagram below shows the world market for tin. P. S. P* = $3.50. D. Q. 50. TIN QUANTITY( 1000 LBS).
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EXCESS DEMAND 50 BUFFER STOCK SELLS 50 EXCESS SUPPLY 20 BUFFER STOCK BUYS 20 P = $4.00 Price Ceiling P = $3.00 Price Floor D’ 10 30 70 120 The diagram below shows the world market for tin. P S P* = $3.50 D Q 50 TIN QUANTITY( 1000 LBS) Trade and welfare