Question: One criticism often heard about economics is that the models we use are unrealistic: in seeking t...
One criticism often heard about economics is that the models we use are unrealistic: in seeking to keep the scope of our work more manageable by making certain assumptions or ignoring certain details, we may oversimplify the situation.
Why do we use models at all, and how should we balance the need for simplicity with the need for accuracy?
Find an example of a model (in economics or elsewhere) in the real world and explain if you think your example strikes the right balance between details and simplification of use.
WRITE IN YOUR OWN WORD PLZ dont copy another answer the was answered before thank you!
In: Economics
Course: Security Architecture & Design
Assignment - Executive Program Practical Connection Assignment
Provide a reflection of at least 500 words (or 2 pages double spaced) of how the knowledge, skills, or theories of this course have been applied, or could be applied, in a practical manner to your current work environment. If you are not currently working, share times when you have or could observe these theories and knowledge could be applied to an employment opportunity in your field of study.
Requirements:
Provide a 500 word (or 2 pages double spaced) minimum reflection.
Use of proper APA formatting and citations. If supporting evidence from outside resources is used those must be properly cited.
Share a personal connection that identifies specific knowledge and theories from this course.
You should NOT, provide an overview of the assignments assigned in the course. The assignment asks that you reflect how the knowledge and skills obtained through meeting course objectives were applied or could be applied in the workplace.
In: Computer Science
The Vigenère Cipher is an encryption algorithm that combines the use of a keyword with the message to be encrypted. A tableau is provided that shows an encrypted character for each combination of characters in the message and the keyword.
Using the Vigenère Tableau encryption scheme with a keyword of KEYWORD, encrypt the following message:
| IS INFORMATION SECURITY ESSENTIAL |
After encrypting the message, decrypt the following message, using KEYWORD as the keyword:
| YRJUW WWRIG JTFUW ERECE LCMKL CIWKR R |
For both the encryption and decryption, show your work in a Microsoft Word document to substantiate the result. For this, create two different tables. The first table will have 3 rows and 30 columns. Each column will correspond to an individual character. The first row will correspond to the keyword characters. The second row will correspond to the message to be encrypted. The third row will correspond to the encrypted message.
The second table will have 3 rows and 31 columns. Each column will correspond to an individual character. The first row will correspond to the keyword characters. The second row will correspond to the message to be decrypted. The third row will correspond to the decrypted message.
In: Computer Science
Research and select an article of your choice.
Your selected article must contain statistical data that the author uses in support of their argument/point of view. I recommend you find an article from the Internet (not databases), since it would be ideal to find an article with deceptive statistics. Your article must be cited in your paper, and you must include a link to the article.
Write: A clear, thoughtful, and well-written 500-word
minimum paper documenting the following categories. Label
each one (with what is in bold):
1. Include and LABEL the issue (written as a question),
conclusion,
and reasons of the author's argument.
2. Your evaluation of the statistical data and your determination
of its
usefulness (or lack of usefulness) in supporting the author's
reasoning structure.,
3. Comment specifically on whether you have identified any
deception
or manipulation of the statistics.
4. What other statistics/data do you believe is necessary to
support the author's reasoning structure?
5. Overall, what is the quality of the author's argument?
In: Operations Management
Hours Open Total Revenue (dollars) 1 $275 2 375 3 450 4 500 5 53 6 550 Ivan runs a custom jewelry shop in Sparkle City. He is debating whether he should extend his hours of operation. Ivan figures that his sales revenue will depend on the number of additional hours the jewelry shop is open as shown in the table above. He would have to hire a worker for those hours at a wage rate of $25 per hour. a) What does the word "marginal" mean in economics? What is a marginal benefit? What is a marginal cost? What is marginal analysis? b) Using marginal analysis, how many hours should Ivan extend his hours of operations? c) What is Ivan's marginal benefit if he decides to stay open for six hours instead of five hours? d) What is Ivan's marginal cost if he decides to stay open for six hours instead of five hours?
In: Economics
how the law affects managers and management, in general. This is important for you to know as employees as well as potential future employers.Important note: One may not follow the law, but one should be aware of the ramifications of the management employment decisions one makes. For instance, as an employee, you may know that your employer has no right to do something, but you submit to it anyway because you don't want to lose your job or have to go to court. As an employer, you may know that your actions are not legal according to the letter of the law, but you weigh the costs and benefits and decide to do it anyway. Simply, you must know the law in order to weigh the costs!
There is now a knowledge gap among professionals since most managers and personnel practitioners have not had formal training in the application of new employment laws to the workplace. In addition, most lawyers may understand the law as it is applied to a business relationship, but not to employment relationships.
PLEASE ELABORATE YOUR OPINION ON THIS TOPIC WORD MINIMUM 250
In: Operations Management
Directions: In a six slide PowerPoint presentation, address the questions below. *If you do not have PowerPoint, you may write your information in a Word document (Slide 1: Slide 2: etc.) *If you are not comfortable writing about your family you may present on a TV family or public figure.
SLIDE 1: Share a photo of your family
SLIDE 2: Summarize the key demographic factors of your family members (ages, gender, marital status etc.)
SLIDE 3: Apply terms from our readings to your family composition (extended, nuclear, blended etc.)
SLIDE 4: Describe why family is important to you
SLIDE 5: Describe an issue of family relationships (divorce, role conflict, illness etc.).
SLIDE 6: Apply one of the three sociological perspectives to the issue from Slide 5 (Conflict Theory, Functionalism, or Symbolic Interactionism)
*If you are not comfortable writing about your family you may present on a TV family or public figure.
In: Operations Management
“Are Women Really More Talkative Than Men?” is the title of a 2007 article that appeared in the journal Science. In the article, Mehl and colleagues report the results of a study of 396 men and women. Each par-ticipant wore a microphone that recorded every word he or she uttered. The researchers counted the number of words uttered by men and women and compared them. The data below are fictional but they re-create the pattern that Mehl and colleagues observed:
Men: 16,345 17,222 15,646 14,889 16,701 Women: 17,345 15,593 16,624 16,696 14,200
Conduct the appropriate t-test (independent or paired) to test the hypothesis that there is a difference in the number of words uttered by men versus women using a two-tailed α = .05
Calculate r2 as a measure of effect size, and state whether the effect is small, medium, or large.
Calculate the 99% confidence interval to determine whether or not the result is significant at the
the α = .01 level.
Report the your results in APA style as you would do in a journal article.
In: Math
The Great Financial Crisis (GFC) in the United States: Causes and Policy Responses
Goal
Analyze the recent (2008-2009) episode in the United States – the Great Financial Crisis (or Great Contraction). Your job is to write a 500-word essay that will: (a) discuss the antecedents to the episode – seeds of the crisis that were previously sown. Then, using the IS-LM model, show both (b) the shocks to the economy which occurred and (c) the government policy response. Also, provide a short discussion of the implications for health care business/industry.
Background
Although it happened some time ago, the Great Financial Crisis (GFC) of 2008-2009 continues to be heavily discussed, including in the popular press. For this assignment, you should read the article “A warning from the almost-depression” by Robert Samuelson, Washington Post, September 16, 2018. For several reasons, this episode is well-suited to the IS-LM model. Your job is to discuss that episode using the model.
PLEASE PROVIDE THE REFERENCES THAT YOU USED AND NO Plagiarism.
In: Economics
I have to answer these questions in a way that I can write out in a word document. Previous answer make little sense. I need to interpret (A) and I am just not understanding what the y intercept of -23 is indicating. I understand question b, not 100% on C please see below:
A criminologist is interested in the effects of unemployment and policing on murder and has run the following multiple regression:
|
Summary Output |
|
|
Regression Statistics |
|
|
Multiple R |
0.90303 |
|
R Square |
0.815462 |
|
Adjusted R Square |
0.762737 |
|
Standard Error |
5.11041 |
|
Observations |
10 |
|
Coefficients |
Standard Error |
t Statistic |
P-value |
|
|
Intercept |
–23.26309588 |
7.075518018 |
–3.28783 |
0.013342 |
|
Unemployment rate |
10.27754326 |
2.172859937 |
4.729961 |
0.002133 |
|
Police per 100,000 |
–0.046737101 |
0.023409765 |
–1.99648 |
0.086065 |
a. What is the Y-intercept? Interpret your results.
b. Which variables are significant at the 0.05 level?
c. What is the predicted homicide rate for a city with an unemployment rate of 5% and 250 police officers per 100,000 population?
In: Math