Recently Submitted Homework Problems: economics

131. If utility function is expressed as U(x,y) = x^0.5 y^0.5 What is the marginal utility at point (64,25) and (49,36)? Treat Y as a constant. Would the answer be MUx(x,y) = y. MUx(64,25) = 5 ? and MUx(49,36) = 6?(Answered)

156. I need help with my homework assignment.

Twentyfirst Century Electronics has discovered a theft problem at its warehouse and has decided to hire security guards. The firm want to hire the optimal number of secutity guards. The following table shows the number of security guards affects the number of radios stolen per week.

Number of guards Number of radios stolen per week
0 50
1 30
2 20
3 14
4 8
5 6

a. If each security guard is paid $200 a week and the cost of a stolen radio is $25, how many security guards should the firm hire?

B.) If the cost of a stolen radio is $25, what is the most the firm would be willing to pay to hire the first security guard?

C.) If each security guard is paid $200 a week and the cost of a stolen radio is $50, how many security guards should the firm hire?

184. Explain why the cost structure associated with many kinds of information good and services might imply a market supplied by a small number of large firms. (At the same time, some Internet businesses such as grocery home deliveries have continually suffered steep losses regardless of scale. Explain why.) Could lower transaction cost in ecommerce ever make it easier for small suppliers to complete? As noted in Chapter 3, network externalities are often an important aspect of demand for information goods and services. (The benefits to customers on using software, participating in electronic markets, or using instant messaging increase with the number of other users.) How might network externalities affect firm operating strategies (pricing, output, and advertising) and firm size?(Answered)

2628. help me to solve this answer; economics:
1)Suppose we observe that the price of soyabeans goes up while the quantity of soyabeans sold goes up as well. Use the supply and demand curves to illustrate two possible explanations for this pattern of price and quantity changes.(Answered)

2957. In a supply and demand graph, the triangular area under the demand curve but above the supply curve is:

a. the consumer surplus.
b. the producer surplus.
c. the marginal cost.
d. the deadweight loss.
e. the net gain to society from trading that good.

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