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From the ninth century B.C. until the proliferation of gunpowder in the fifteenth century A.D., the ultimate weapon of mass destruction was the catapult (John N. Wilford, "How Catapults Married Science, Politics and War," New York Times, February 24, 2004, D3). As early as the fourth century B.C., rulers set up research and development laboratories to support military technology. Research on improving the catapult was by trial and error until about 200 B.C., when the engineer Philo of Byzantium reports that by using mathematics, it was determined that each part of the catapult was proportional to the size of the object it was designed to propel. For example, the weight and length of the projectile was proportional to the size of the torsion springs (bundles of sinews or ropes that were tightly twisted to store enormous power). Mathematicians devised precise tables of specifications for reference by builders and by soldiers on the firing line. The Romans had catapults capable of delivering 60-pound boulders at least 500 feet. (Legend has it that Archimedes' catapults used stones that were three times heavier.) If the output of the production process is measured as the weight of a projectile delivered, how does the amount of capital needed vary with output? If the amount of labor to operate the catapult did not vary substantially with the projectile's size, what can you say about the marginal productivity of capital and returns to scale?
In a country, output is produced with labor and physical capital. The production function in per-worker terms is y=k^1/2. The depreciation rate is 2%. The investment rate (&) is determined as follows: &=0.2 if y
There are 20 million households in Country X and 4 million of them are below the poverty line. What is the poverty rate for Country X?
ABC Corporation's recently issued bonds paying interest semiannually and maturing in 10 years. The face value of each bond is $1000, and 6.8% is the nominal interest rate. (a) What is the effective interest rate an investor receives.
Chad's income went from $1000 per week to $1500 per week.As a result he increased his consumption of steak from 1 pound aweek to 3 pounds a week. Based on his consumption patterns,what is the income elasticity of steak for Chad.
b. Which country has a comparative advantage in production of caps In wheat c. If the US and Russia were the only two countries engaging in trade, what adjustments would you predict, assuming exchange rates are freely determined by the laws of sup..
Why might deterrence be enhanced by awarding a share of criminal fines to enforcers? What problems might such a compensation scheme create?
the tricities bus company is a regional bus line providing transit service between coquitlam port moody and port
What factors do you think you control that will help you have a higher quality of health?
The two sample sizes were 12 for children under 12 and 15 for children 13 to 17 years of age. Further, the standard deviation for children under 12 was 51.7, while the standard deviation for children 13 to 17 of age was 67.6.
show what happens to the nominal interest rate and the equilibrium quantity of loans when both borrowers and lenders increase their estimates of the expected inflation rate from 5 percent to 10 percent.
If the price or cost of college and university education increased by 10 percent and, at the same time, incomes also increased by 10 percent, what would be the change in demand for college and university education
On schematics, you will frequently see a 1000 resistor listed as 1.0 k Ω. What does this imply about the value of the resistor?
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