Oligopolistic market structure

From an economist standpoint, why might there be more research, development, and innovation occuring in the oligopolistic market structure than in any other?

Economic/Political/Tax Supply and Demand

Suppose you are an aid to a government official deciding on some recently proposed excise tax on the welfare of her constituents. One way of measuring the impact on her constituents is to determine how that tax change affects the level of consumer surplus enjoyed by her citizens in her area. By using a formal analysis and estimates of demand and supply: Q (demand) = 500 - 5P and Q (supply) = 2P- 60 1. Graph the supply and demand curves 2. What are the equilibrium quantity and equilibrium price? 3. How much consumer surplus exists in this market? 4. IF a $2 excise tax is levied on this good, what will happen to the equilibrium price and quantity? 5. What will the consumer surplus be a... click for more

Give my thoughts on the tax cuts from the past few years and if they have been successful in promoting economic growth or in preventing a deeper decline

In 2003, the internal revenue service began to mail out refund checks because of a change in the tax law. Economic forcasters predicted that consumption and GDP would increase because of higher refunds on income taxes. As and economist I need to explain my thoughts on whether the tax cuts from the past few years have been successful in promting economic growth or in preventing a deeper decline.

Enron Scandal

Review the history of Enron using the following websites and two additional websites that you find Washington Post Business Specials (free registration is required) CNN In-Depth Specials Time: Behind the Enron Scandal Please answer these questions: 1.Highlights the events that occurred and the individuals involved. 2.Indicates whether or not accounting theory and/or regulation adequately addresses professional ethics. 3.Indicates the impact the reduced number of pension benefits has on former employees 4.Indicates what a standard of ethics would look like.

Is there anything the U.S. government can do today to improve the nation's competitive position in the global economy?

I need an answer to the following question: Is there anything the U.S. government can do today to improve the nation's competitive position in the global economy?