Which one of these was a contributing factor to the need for many foreign banks to seek aid from their governments as a result of the financial crisis of 2007-2009?
a. decrease in their exchange rates
b. investments in u. s. subprime mortgages
c. interest rate spikes
d. currency controls

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system? a. 7b. 4c. 18d. 35e. 9

3. saving two consumers, larry and jeff, have utility functions defined over the two periods of their lives: middle age (period zero) and retirement (period 1). they have the same income in period 0 of m dollars and they will not earn income in period 1. the interest rate they face is r. larry’s and jeff’s utility functions are as follow. = 0.5 + 0.5 and = 0.5 + 0.5 for each person is between zero and one and represents each consumer’s temporal discount econ 340: intermediate microeconomics. ben van kammen: purdue university. rate. a. write the budget constraint that applies to both jeff and larry in terms of consumption in each period and ), interest rate, and m. b. what is larry’s and what is jeff’s marginal rate of intertemporal substitution? c. what is the slope of the budget constraint? d. write each consumer’s condition for lifetime utility maximization. e. re-arrange the conditions from part (d) to solve for the ratio, . f. if > which consumer will save more of his middle age income? g. if > 1 1+ , in which period will larry consume more: = 0 or = 1?

Part two of threewhich accurately describes a cause for inflation? the federal reserve requires banks to keep more money on reserve. the federal reserve raises interest rates and slows economic activity. the government places too much money into circulation. the government places too little money into circulation. what are consequences of rapid inflation? (select all that apply.) savings accounts become less desirable because interest earned is lower than inflation individual purchasing power increases, which results in an increase in demand. individual purchasing power decreases, which results in a decrease in demand. people postpone purchasing expensive items, such as homes, until prices drop. how does the federal reserve stabilize and safeguard the nation’s economy? (select all that apply.) it distributes currency and oversees fiscal conditions. it implements american monetary policy. it regulates banks and defends consumer credit rights. it regulates and oversees the nasdaq stock exchange. what are functions of the federal reserve? (select all that apply.) it offers financial services within the government. it creates us coins. it prints us dollars. it enters us currency into circulation. how does the federal reserve bank fit into the balance of power among the three branches of the federal government established by the constitution? the chair of the federal reserve is appointed by the president and approved by the senate. the chair of the federal reserve is elected by popular vote. the chair of the federal reserve is appointed by congress and approved by the supreme court. the chair of the federal reserve is appointed in a secret meeting. who appoints the board of governors of the federal reserve system? the us president the us supreme court the us house of representatives the us senatewhy is federal oversight crucial to the operation of the federal reserve bank? the federal reserve is the nation’s central banking system. the federal reserve controls the nomination of legislators to committees. the federal reserve funds mandatory government expenditures. the federal reserve sets rules and regulations for the new york stock exchange. what is the government accountability office (gao)? an independent agency that answers to congress and audits the federal reserve an internal review agency of the federal reserve used to promote its mission a government agency that answers to congress and audits the united states mint a private agency that advises the dent about fiscal policyhow does the law of comparable advantage lead to international trade? countries that do not engage in trade are in a stronger position economically than countries that do trade. countries that cannot produce products efficiently have to trade for the goods and services that other countries have. countries that have more resources are able to trade for a wider variety of items that can be offered for sale. countries make products they can produce efficiently and are able to get the rest of what they need through trade. when might a country produce a product even though it cannot do so efficiently? (select all that apply.) to ensure national security to minimize the sale of exports to ensure a trade deficit to increase the balance of trade