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# Macroeconomics

### Present Worth of Savings

To improve crack detection in aircrafts, the U.S. Air Force combined ultrasonic inspection procedures with laser heating to identify fatigue cracks. Early detection of cracks may reduce repair costs by as much as \$200,000 per year. If the savings start now and continue through year 5, what is the present worth of these savings a

### Present Value for Engineering Economy

How much money could Tesla Inc. a maker of superconducting magnetic energy storage systems, afford to spend now on new equipment in lieu of spending \$85,000 five years from now, if the company's rate of return is 18% per year.

### Engineering Economy

A married couple is planning to buy a new sport utility vehicle (SUV) 5 years from now. They expect the SUV to cost \$32,000 at the time of purchase. (a) If they want to have half of the cost for a down payment, how much must they save each year (starting at the end of the current year) if they can earn 10% per year on their sav

### Ethical Challenges: Accountant and Debtor-Creditor Relationships

What are some ethical challenges an accountant might have to deal with when presented with a client's documentation of debtor-creditor relationships?

### How consumer demand responds to tax cuts

Suppose you notice that a \$7 billion tax-cut was accompanied by a \$9 billion increase in consumer spending in the same year. How would you explain why consumer spending increased by more than the tax-cut?

### Effect of Dollar Appreciation and Depreciation on U.S. Exports and Imports

Show the effects of the dollar appreciation and depreciation with the euro on the price of U. S. exports and imports by updating the attached table.

### HHI Index

Suppose there are 12 firms in an industry. The percentage of total sales is given in the following table: Firm Percentage of total sales 1 16 2 14 3 12 4 12 5 10 6 8 7 6 8 6 9 5 10 4 11 4 12 3 Calcula

### Total Profit and Price Charges

Consolidated Salt Company sells table salt to both retail grocery chains and commercial users (e.g., bakeries, snack food makers, etc.). The demand function for each of these markets is: Retail grocery chains: P1 = 180 - 8Q1 Commercial users: P2 = 100 - 4Q2 where P1 and P2 are the prices charged and Q1 and Q2 are the quan

### Break-even income: Example questions

Show the consumption and saving schedules graphically. Determine the APC and APS for each level of income. Now, determine the MPC and MPS for each change in the income level. Locate the break-even point. How is it possible for households to dissave low income levels? If the proportion of total income that is consumed decreases

### Effects of the appreciation of the Canadian dollar against the US dollars

Please advise if my answers are correct. I think I am weak in part d. Question In 2003 to 2004, the Canadian dollar appreciated against the US dollar. Explain the effects of this appreciation on a. Canadian importers of goods from the US. (2 marks) b. Canadian firms that sell commodities to US buyers. (2 marks)

### Consumer Lock-In and Network Externalities

For each of the following products, could consumer lock-in or network externalities (or both) create a barrier to entry? Explain why or why not. a. Toothbrush b. DVD's c. Video games

### Managerial Economics

Igh grade. The standard CDs are used primarily in computer drives and are designed for data storage rather than accurate sound reproduction. The company only recently began producing the higher quality, high grade model to enter the lucrative music recording market. Since the new product was introduced, profits have seen only a

### Calculate the Size of Rebate that Maximizes Total Profits

I have a website where I offer cash rebates for buying stuff. For instance, if someone purchases a pair of shoes, I give them a \$10 cash rebate. For that particular sale I will receive a commission of say, \$25, so my net revenue from that offer is \$15. The goal is to offer a rebate that is large enough that lots of people are in

### Using the data in the following table, estimate (a) the average return and volatility for each stock, (b) the covariance between the stocks, and (c) the correlation between these two stocks.

Using the data in the following table, estimate (a) the average return and volatility for each stock, (b) the covariance between the stocks, and (c) the correlation between these two stocks. Realized Returns Year Stock A Stock B 1998 -10% 21% 1999 20% 30% 2000 5% 7% 2001 -5% -3% 2002 2% -8% 2003 9%

### Total Cost

Suppose total benefits and total costs are given by B(Y) = 100Y - 8Y2 and C(Y) = 10Y2. What level of Y will yield the maximum net benefits? Show your work. a. 75/36 b. 75/18 c. 50/18 d. 100/36

### Economics class

Suppose you were having lunch with your best friend who just enrolled in an economics class. He was complaining about how irrelevant the class was, commenting that he saw no useful purpose for economics. According to your friend, "I'm a nursing major. I will never use this stuff in the real world." Having just completed the same

### Calculating Marginal Revenue Product: Acquiring Resources

Using the information in the following table, calculate the marginal revenue product (MRP = MPP x MR) (see attachment for table). MPP = change in output/change in resource MR = change in revenue/change in quantity The number of units of resources the firm will want to acquire? Please see

### Present a summary of a compared and contrast the advertizing and sales promotion approaches used by Frito-Lay and two competitors

Present a summary of a compared and contrast the advertising and sales promotion approaches used by Frito-Lay and two competitors No format needed or cited just used for discussion.

### Macroeconomics Multiplier

The economy is in equilibrium at \$9.5 trillion dollars, the MPC is .70, and the simple government multiplier is operative. If consumption is raised by \$300 billion dollars, what is the maximum change in Real GDP and the new equilibrium point?

### Standard Costs and Balanced Scorecard

Dinkel Manufacturing Corporation accumulates the following data relative to jobs started and finished during the month of June 2008. Costs and Production Data Actual Standard Raw materials unit cost \$2.25 \$2.00 Raw materials units used 10,600 10,000 Direct labor payroll \$122,400 \$120,000 Direct labor hours worked

### Marginal propensity

A firm purchases a new computer system for \$1M. If the marginal propensity to consume is 0.8, the final change in national income will be a. \$800,000 b. \$1M c. \$1.2M d. \$4M e. \$5M Which answer is correct, can you explain

### Continuous and Discrete Data

What are some differences between continuous and discrete data? Can you give some examples of each from your industry?

### Economics - Price and Total Revenue

The Portland Sea Dogs, the AA affiliate of the Boston Red Sox major league baseball team, have enjoyed a surge in popularity. During a recent home stand, suppose the club offered \$5 off the \$12 regular price of reserved seats, and sales spurted from 3,200 to 5,200 tickets per game. A.Derive the function that describes the pri

### According to the text the GDP per capita in the U.S. was \$45,000 dollars in 2007.

According to the text the GDP per capita in the U.S. was \$45,000 dollars in 2007. What will it be in 2017 given the following three assumptions with zero population growth? 0 percent growth rate in GDP 2 percent growth rate in GDP 4 percent growth rate in GDP

### Fed fund rates / history from 2001-2005

Using the website for the St Louis Federal Reserve Look at the Federal reserve rate monthly data from 2001 to 2005 What has happened to the interest rate from 2001 to 2005? Why has this occurred? Look at the consumer prices (personal consumption expenditures - less food and energy And gross domestic product ("1 decimal") fi

### impact on immediate GDP

C = 500 + 0.8 Y, I = 400, G = 400, (X - M) = -100 Solve for GDP. What would be the impact on GDP if the government spending increased to 500? Why would the increase in GDP be greater than the increase of a \$100 increase in government spending?

### AD Schedule

True or false and explain. "The AD schedule slopes downward because real income rises as the price level declines and everybody buys more as their real income rises."

### Ability to Develop and Commercialize Innovative Products

Which best supports the reason for why the use of teams by Anacorp Corp. is considered critical to its ability to develop and commercialize innovative products? a. Teams composed of professions with diverse backgrounds enable the company to benefit from the use of dispersed knowledge. b. Team decision making co

### Government Cuts Its Purchases

Assume the government cuts its purchases by \$120 billion. As a result, the budget deficit is reduced by \$40 billion, private domestic decreases by \$10 billion, disposable personal income decrease by \$80 billion and the trade deficit is reduced by \$15 billion. By how much has national income (y) changed?

### Economic Argument on Smoking

1. A pack of cigarettes a day adds up to \$1190 a year on average; it's more in states that have higher taxes on tobacco. Calculate what you or a loved one spends using a smoker's calculator. 2. The article states that the yearly cost of smoking a pack of cigarettes a day is \$1190. Find the average cost of a pack of cigarettes