Compared to a command and control government approach to reducing pollution, a market-based system of tradable pollution allowances is:

a. more efficient because polluters that can only reduce pollution at high cost do not and instead buy allowances.

b. less efficient because pollution allowances are "licenses to pollute."

c. more efficient because the bulk of the pollution reduction is carried out by those who pollute the most.

d. less efficient because polluters are not required to reduce pollution by the same amount.

e. more efficient because polluters have the same cost of reducing pollution.

When someone buys a fourth television for his or her house, what is the result? a. there's a decrease in the marginal utility of the television. b. the increase in demand brings leads to higher prices for televisions. c. the production of televisions becomes more efficient. d. there's a rise in the opportunity cost of buying other goods.

The beach dude (bd) employs a legion of current and former surfers as salespeople who push its surfing-oriented products to various customers (usually retail outlets). this case describes bd's sales and collection process. each bd salesperson works with a specific group of customers throughout the year. in fact, they often surf with their customers to try out the latest surf gear. the bd salespeople act laid-back, but they work hard for their sales. each sale often involves hours of surfing with their customers while the customers sample all the latest surf wear. because bd makes the best surfing products, the customers look forward to the visits from the bd salespeople. and they often buy a lot of gear. each sale is identified by a unique invoice number and usually involves many different products. customers pay for each sale in full within 30 days, but they can combine payments for multiple sales. bd manages its clothing inventory by item (e. g., xl bd surfer logo t-shirts), identified by product number, but it also classifies the items by clothing line (the lines are differentiated by price points as well as the intended use of the clothing, e. g., surfing products, casual wear, . draw a uml class diagram that describes the beach dudes sales and collection process. b. using microsoft access, implement a relational database from your uml class diagram. identify at least three fields per table. c. describe how you would use the relational database to determine the beach dude’s accounts receivable.

Your dormitory, griffingate, has appointed you central banker of its economy, which deals in the currency of wizcoins. assume that the velocity of wizcoins in griffingate is constant at 10,000 transactions per year. right now, real gdp is 1,000 wizcoins, and there are 2,000 wizcoins in existence.