Thông tin liên hệ
Bài viết của Lê Thị Khánh Huyền

Appendix E: Solution Sheets

Class Time: __________________________ Name: _____________________________________ H 0 : _______ H a : _______ In words, CLEARLY state what your random variable X ¯ or P ′ represents. State the distribution ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

Perfect Competition and Why It Matters

Firms are said to be in perfect competition when the following conditions occur: (1) many firms produce identical products; (2) many buyers are available to buy the product, and many sellers are available to sell the product; (3) sellers and buyers have all ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

The Difference between Level of Trade and the Trade Balance

A nation’s level of trade may at first sound like much the same issue as the balance of trade, but these two are actually quite separate. It is perfectly possible for a country to have a very high level of trade —measured by its exports of goods ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

Keynes’ Law and Say’s Law in the AD/AS Model

The AD/AS model can be used to illustrate both Say’s law that supply creates its own demand and Keynes’ law that demand creates its own supply. Consider the three zones of the SRAS curve as identified in [link]: the Keynesian zone, the ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

Additional Information and Full Hypothesis Test Examples

In a hypothesis test problem, you may see words such as "the level of significance is 1%." The "1%" is the preconceived or preset α . The statistician setting up the hypothesis test selects the value of α to use before collecting the ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

Non-right Triangles: Law of Sines

Suppose two radar stations located 20 miles apart each detect an aircraft between them. The angle of elevation measured by the first station is 35 degrees, whereas the angle of elevation measured by the second station is 15 degrees. How can we determine ...

Tác giả: Lê Thị Khánh Huyền viết 16:01 ngày 25/05/2018 chỉnh sửa

Solving Trigonometric Equations with Identities

International passports and travel documents In espionage movies, we see international spies with multiple passports, each claiming a different identity. However, we know that each of those passports represents the same person. The trigonometric identities ...

Tác giả: Lê Thị Khánh Huyền viết 16:00 ngày 25/05/2018 chỉnh sửa

How a Profit-Maximizing Monopoly Chooses Output and Price

Consider a monopoly firm, comfortably surrounded by barriers to entry so that it need not fear competition from other producers. How will this monopoly choose its profit-maximizing quantity of output, and what price will it charge? Profits for the monopolist, ...

Tác giả: Lê Thị Khánh Huyền viết 16:00 ngày 25/05/2018 chỉnh sửa

International Trade and Its Effects on Jobs, Wages, and Working Conditions

In theory at least, imports might injure workers in several different ways: fewer jobs, lower wages, or poor working conditions. Let’s consider these in turn. In the early 1990s, the United States was negotiating the North American Free Trade ...

Tác giả: Lê Thị Khánh Huyền viết 16:00 ngày 25/05/2018 chỉnh sửa

Explicit and Implicit Costs, and Accounting and Economic Profit

Private enterprise , the ownership of businesses by private individuals, is a hallmark of the U.S. economy. When people think of businesses, often giants like Wal-Mart, Microsoft, or General Motors come to mind. But firms come in all sizes, as shown in [link]. ...

Tác giả: Lê Thị Khánh Huyền viết 15:59 ngày 25/05/2018 chỉnh sửa