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A function is a mapping or relationship between an input or set of inputs and an output We write that y, the output, is a function f of x, the input, or y = f(x) y could be a linear function of x where the relationship can be expressed on a straight line Or it could be non-linear where it would be expressed graphically as a curve If the equati...

60 trang | Chia sẻ: thuychi16 | Ngày: 22/01/2019 | Lượt xem: 758 | Lượt tải: 0

What is Econometrics? Literal meaning is “measurement in economics”. Definition of financial econometrics: The application of statistical and mathematical techniques to problems in finance.

21 trang | Chia sẻ: thuychi16 | Ngày: 22/01/2019 | Lượt xem: 813 | Lượt tải: 0

1. Vai trò và bản chất của lợi ích kinh tế a. Bản chất Lợi ích kinh tế là lợi ích vật chất, nó phản ánh mục đích và động cơ khách quan của các chủ thể khi tham gia vào các hoạt động kinh tế - xã hội và do hệ thống quan hệ sản xuất quyết định. Mỗi một con người hay xã hội muốn tồn tại và phát triển thì nhu cầu của họ phải được đáp ứng. Lợi ích ...

17 trang | Chia sẻ: thuychi16 | Ngày: 22/01/2019 | Lượt xem: 1252 | Lượt tải: 2

The Wall Street Journal Online Class Discussion „ Why did the Wall Street Journal succeed with a subscription model when other newspapers have been unable to charge for their content? „ Would you pay to read a daily newspaper online? Why or why not? „ Would you pay for access to online archives of newspapers and/or magazines? „ Do you thin...

50 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 995 | Lượt tải: 1

Auction Fever Class Discussion „ Why is United Airlines using auctions to redeem frequent flyer miles? „ Why are auctions better than liquidation sales for retailers? „ What is meant by the term, “auction marketing?” „ Why would consumers pay more at auctions than at in-store liquidation sales?

36 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 969 | Lượt tải: 0

Volkswagen Builds Its B2B Net Marketplace Class Discussion „ Why didn’t Volkswagen want to use a more open or public electronic exchange for its parts supply? Why didn’t it join the industry consortium Covisint? „ What kinds of services are provided by VWGroupSupply.com? „ What is eCAP and who benefits from its use? „ Do you think suppliers...

53 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 1105 | Lượt tải: 0

NetBank and the Future of Branchless Banking Class Discussion „ What is the value proposition of online banks? „ Why have stand-alone online banks in the United States not done well? „ What were the key ingredients of NetBank’s business model that made it successful? „ Why do most Americans still prefer to use their local branch bank?

37 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 1092 | Lượt tải: 0

Blue Nile Sparkles For Your Cleopatra Class Discussion „ Why is selling (or buying) diamonds over the Internet so difficult? „ How has BlueNile built its supply chain to keep costs low? „ How has BlueNile reduced consumer anxiety over online diamond purchases? „ What are some vulnerabilities facing BlueNile? „ Would you buy a $5,000 engagemen...

26 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 1008 | Lượt tải: 0

Warez Hackers End Up in the Slammer Class Discussion „ What are “Warez” groups? What are their motivations? How to they differ from typical down loaders? „ What are the main specialties of wares groups? „ Why are members of Warez groups facing criminal charges and possible jail terms? What laws are they violating? „ How is the RIAA respondin...

37 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 1017 | Lượt tải: 0

ESPN Motion: Targeting the 18-to-34 Males Class Discussion „ How does the ESPN Motion system differ from ordinary video streaming? „ What is the benefit of this new systems to consumers and to advertisers? „ How does this system avoid Internet congestion? „ Why would sports fans want to watch video advertising that’s “just like TV?” „ Why i...

35 trang | Chia sẻ: baothanh01 | Ngày: 15/10/2018 | Lượt xem: 1012 | Lượt tải: 0