1. Complete the table and answer the questions which follows.
Labour Total Product (TP) Average Product (AP) Marginal Product(MP)
1 80
2 170
3 270
4 368
5 430
6 480
7 504
8 504
9 495
10 480
Plot the total product curve
(a) Plot the marginal product curve and indicate the following:
(i) B- where Total product is maximized
(ii) A – where Total product is increasing
(iii) C- where Total product is decreasing
(b) Where diminishing marginal return does occur?
4. Define cost and state the type of costs based on production period, and source of cost?
5. Disuse the perfect and imperfect market structures, feature, importance, and limitations of
each market structure from the angle of achieving economic efficiency?
6. Given the demand function Qd=p3, then find the point price elasticity of demand at po?
7. Consider the following short run production function Q = 6L2-0.4L
A) Find the value of L that maximizes output?
B) Find the value of L that maximizes marginal product?
C) Find the value of L that maximizes average product?
8. Given a short run cost function as TC =1/3 Q-2Q2+ 60Q +100, find the minimum value of
AVC and MC?
9. A consumer has birr 600 to spend on the two commodities X and Y, the first commodity X
costs birr 20 per unit and the second commodity Y costs birr 30 per unit .suppose the utility
function given of the consumer is given as U(X,Y)=10X0.60Y0.40
A) Demand for X and Y at optimum respectively?
B) The portion of income that he spends on the consumption of the optimal bundles
X & Y respectively?
10. Suppose a firm faces the production function Q = 0.8 Kº4 L 03. It sells its output at a fixed
price of 450 Birr a unit and can buy K and L at 15 Birr per unit and 8 Birr
per unit
respectively. Then what input mix will maximize profit?
Inayah is a rational consumer who consumes milk and cookies only from her monthly income of Rs. 1,500. If the price of milk is Rs. 500 per liter and the price of one pack of cookie is Rs. 300, answer the following questions:
a) Given the information above write the equation of the budget line and illustrate the same through the two-dimensional labeled diagram. (1 Mark)
b) If Inayah spends all of her income on consuming one good, find: (1 Mark)
i. how much cookies she could afford?
ii. how much milk she could consume?
c) Identify the impact of an increase in the income from Rs. 1,500 to Rs. 1,800 on Inayah’s consumption level. Also illustrate it using the two-dimensional labeled diagram. (1 Mark)
d) Assume that Inayah’s consumption of milk and cookies give her following level of utility:
(2 Marks)
Quantity
MU milk
MU cookies
1
400
450
2
350
200
3
200
150
4
100
100
5
70
60
6
30
30
7
0
0
i. Find the optimal level of consumption.
ii. Find the consumer equilibrium using the two-dimensional labeled diagram.
Question Number
Digital social networks (such as Facebook and Twitter) are very popular with individuals. Identify the reason that why individuals will prefer Digital social network over casual social networking or vice versa. List down mental health problems that may arises with excessive use of digital social networking Do we ever need to be concerned about becoming addicted to any Internet activities? Find one example in a news or journal article of a person who was “addicted” to using a social networking site or other online activity.
Law of variable proportion or production function with one factor Variable or law of proportionality.
A Solow Growth Model economy has a savings rate of 20 percent, a 5 percent rate of depreciation and a production function Y = K1/2L1/2. The economy currently has 100 workers and 400 units of capital. How much capital will the economy have one year from now?
Compare and contrast the salient features of Modernism and Postmodernism in detail with appropriate philosophical reason.
Give an illustrative example of Art and Beauty in accordance with any one philosophical theory in detail.
[05 Marks]
Q.2. Paraphrase the following paragraph in your own words in 110 to 120 words.
From this study, it can be seen that the use of Google Docs has positive effect towards the students’ attitude, motivation and performances. The students favored the use of technology and they felt interested in learning writing through the use of the tool. Thus, it is important to encourage teachers to apply technology-based tasks to enhance students’ motivation and change their attitude towards learning English language, at the same time improving their writing skills. This study could also provide insights on the implementation of using Google Docs and its’ implications towards students’ motivation and attitude in learning to write in ESL classrooms. Furthermore, this study aims to prove that learning process writing using Google Docs can be a tool for teachers to conduct more effective lessons on writing.
Razak, N.Z.A., Amerruddin, A.S., Ithnin, N.H.C. (2018). Using Computer Technology in the ESL Writing Class. IRA International
Journal of Education and Multidisciplinary Studies (ISSN 2455-2526), 12(3), 74-86.doi: http://dx.doi.org/10.21013/jems.v12.n3.p3
Assessment Rubric
Q.3. Essay Writing Task [10 Marks]
Many people feel that the use of surveillance cameras in public places, such as parking lots, is a good idea that can help ensure our safety. Others worry that too many cameras violate our right to privacy and give law enforcement officials too much power. In your opinion, should we install more surveillance cameras in public places? Why or why not?
Your task is to write a five paragraph ‘argumentative’ essay of 450-words to support your position with specific reasons and examples.