Why must a mining company reclaim a mine and what is the law that makes this so?

Suppose that electricity producers create a negative externality equal to $5 per unit. further suppose that the government imposes a $5 per-unit tax on the producers. what is the relationship between the after-tax equilibrium quantity and the socially optimal quantity of electricity to be produced?

Amanufacturer has paid an engineering firm $200,000 to design a new plant, and it will cost another $2 million to build the plant. in the meantime, however, the manufacturer has learned of a foreign company that offers to build an equivalent plant for $2,100,000. what should the manufacturer do?

Indicate whether each of the following companies is primarily a service, merchandise, or manufacturing business. if you are unfamiliar with the company, use the internet to locate the company's home page or use the finance web site of yahoo. 1. alcoa inc. 2. boeing 3. caterpillar 4. citigroup inc. 5. cvs 6. dow chemical company 7. ebay inc. 8. fedex 9. ford motor company 10. gap inc. 11. h& r block 12. hilton hospitality, inc. 13. procter & gamble 14. suntrust 15. walmart stores, inc.