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The only two consumers in an exchange economy, consumer A and consumer B, consume the only two goods, X and Y, in the economy. There are 20 units of X available and 20 units of Y. i). If A and B have identical preferences, mutually beneficial trade cannot occur. True or false? Explain. ii). Assume A's preferences are described by UA=XA1/2 YA1/2 and B's preferences are described by UB=2XBYB, where XA, YA, XB, YB are the consumption of X and Y by consumers A and B, respectively. Draw an Edgeworth box describing this scenario. Label the lengths of the sides, draw a few indifference curves for each consumer and (roughly) sketch the contract curve. *(iii) Now derive an equation for the contract curve. (Hint: the contract curve, MRSA = MRSB. Compute the MRS for consumer A as a function of XA and YA, and for consumer B as a function of XB and YB. Impose the restriction that total consumption of X should equal the total units of X available, and do the same for Y. Rearrange to get an equation of YA as a function of XA (your result should look pretty simple)). iv). Suppose that consumer A has an initial endowment of 5 units of X and 15 units of Y, and consumer B has the remainder of what's available. Show, using the concept of MRS and the Edgeworth Box, that a trade could benefit both consumers. v). Assume the consumers can trade as much as they like at the prices of PX=1 and PY=1. If starting out with the same endowments as in part (iv), how much will each consumer want to buy/sell of each good? Is the result a competitive equilibrium? vi). Assume the consumers can trade as much as they like at the prices of PX=2 and PY=1. If starting with equal endowments (each individual has 10 units of both good X and good Y), how much will each consumer want to buy/sell of each good? Is this result a competitive equilibrium?
Does this make economic sense? Explain the rationale behind equal prices for unequal distances in air travel using supply, demand, and cost curves.
In a meeting about whether to store inventory in a company-owned warehouse or rent a warehouse, a colleague says, "We should use our own warehouse and save the cost of renting one." Do you agree or disagree? Explain
The demand for energy in the United States is often described as persistently non-cyclical and not sensitive to prices effects. Describe the effect of each of the following on the demand or supply for gasoline.
Event 1: The wages for all dental assistants increase, increasing the costs of inputs. Event 2: The government provides national dental insurance benefits for all U.S. citizens that cover 100% of the cost of all dental services. There are two effe..
You cat's summer kitty-cottage needs a new roof. You are considering the following two proposals and feel a 15-year analysis period is in line with your cat' remaining lives. (There is no salvage value for old roofs.)
When the price of a commodity falls by Rs.2 per unit,its quantity demanded increases by 10 units. Its price elasticity of demand is (-)1. Calculate its quantity demanded at the price before change which was Rs.10 per unit. You may change Rupee[In..
Globalization
Calculate profit for each quantity. How much should the firm produce to maximizeprofit?
Explain briefly how each of the variables affects the value of an MLB franchise (i.e., use the variable definitions above to interpret, in words, the coefficient estimates with regard to each variable).
Give a definition of Pareto Optimal Allocation in this economy. Find out all Pareto optimal allocations and graph them in the Edge worth Box and also describe what is the theory of Second Best? Prove the theorem by using a diagram.
Describe how the market for corn would be influenced if ethanol, a corn derivative was used to fuel cars in US. How would market be influenced if a new technology caused corn farming to be more efficient?
Contrast the market demand/supply curves and the individual firm's labor supply/demand curve in a perfectly competitive labor market. How does the law of diminishing marginal returns affect a firm's demand for labor
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