Own price, Px = $30 Price of a related good, Py = $4 Quantity demanded = 24.75 Price of a related good, Pz = $275 Consumer income, Y = $20 comma 000 The income elasticity of demand 'xi', when equilibrium quantity is 24.75 units and income is $20 comma 000, is equal to . 808 (enter your response rounded to three decimal places). In this case the good is:

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500

The servers at gerry frasier's busy ice cream shop decided that putting more ice cream in the sundaes and cones would bring back more customers. after three months, gerry was surprised to discover that his profit had

What effect, considered related to the secondary effect of advertisement, occurs as an advertisement begins to lose its impact when it gets old? the makes the advertisement lose its impact after it gets old.