MAASAI MARA UNIVERSITY
REGULAR UNIVERSITY EXAMINATIONS
2016/2017 ACADEMIC YEAR
FIRST YEAR SECOND SEMESTER
SCHOOL OF BUSINESS & ECONOMICS
BACHELOR OF SCIENCE IN AGRICULTURAL ECONOMICS & RESOURCE ECONOMICS
COURSE CODE: ARE 1205
COURSE TITLE: INTRODUTION TO AGRICULTURAL ECONOMICS
DATE: 15TH MAY 2017 TIME: 0830-1030HRS
INSTRUCTIONS TO CANDIDATES
Answer Question ONE and any other THREE questions
This paper consists of 3 printed pages. Please turn over.
QUESTION 1
- a) Define agricultural economics and elaborate four main areas that constitute the scope of agricultural economics (4 marks)
- b) Discuss five unique characteristics of agricultural products. (3 marks)
- Given hypothetical data set as follows
Inputs (X) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Output (Q) | 0 | 50 | 110 | 160 | 200 | 230 | 250 | 260 | 260 | 250 |
Compute
- i) Average physical product (APP) (2 marks)
- ii) Marginal physical product (MPP) (2 marks)
iii) Plot on a paper APP and MPP against input (X) and explain the resultant trends (3 marks)
- The general form of Cobb-Douglas production function is given as
Q = ALa1Ka2Ma3
- Explain the variables and parameters in the model (2 marks)
- Using the parameters in the model explain constant returns, increasing returns and decreasing returns to scale (3 marks)
- Outline four characteristics of the Cobb- Douglas production function (2 marks)
- The equilibrium market basket (budget constraints) and optimal combination of inputs are frequently encountered concepts in agricultural economics. Discuss the difference and similarities in the two concepts. (4 marks)
QUESTION 2
Assume that a perfectly competitive firm has fixed costs of kshs 400 and variable costs as shown
Total product | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
TVC | 0 | 550 | 750 | 900 | 1100 | 1350 | 1700 | 2200 | 2900 |
Compute
- Total costs (2 marks)
- Average fixed costs (2 marks)
- Average variable costs (2 marks)
- Average total costs (2 marks)
- Marginal costs ( 2 marks)
- Plot the results on a paper and explain the observed relationships (5 marks)
QUESTION 3
- a) Define the following terms
- i) Demand for an agricultural product (1 mark)
- ii) Supply of an agricultural product (1 mark)
- b) Given the following data set
Price (kshs) | 1000 | 800 | 600 | 200 | 0 |
Quantity demanded (Qd) | 500 | 1000 | 1500 | 2000 | 2500 |
Quantity supplied (Qs) | 2500 | 2000 | 1500 | 1000 | 500 |
- Plot the data on a paper (3 marks)
- indicate the equilibrium price and quantity (2 marks)
- What would be the effect if the minimum price is fixed at kshs 200 (3 marks)
- What would be the effect if the minimum price is fixed at kshs 800 (3 marks)
- What would happen if tastes for the product changed (2 marks )
QUESTION 4
- A demand function is given as Q =30 =2P,
Where: Q is total sales of wheat in kgs
P is price in kshs/kg
- Write the expression for total revenue (TR) (2 marks)
- Determine the marginal revenue (MR) (2 marks)
- Determine the profit maximizing quantity (Q) (2 marks)
- Compute the maximum Total revenue (TR) (2 marks)
- Explain five factors which affect the demand for and five factors which affect the supply of agricultural products in the market place (5 marks)
- What is price elasticity of demand? (2 marks)
QUESTION 5
- Discuss the role of agriculture in rural development. (7 Marks)
- Explain the prospects for agriculture in national development. (8marks)