The foremost objective of the International Bank of Reconstruction and Development (IBRD) is to
In order to discourage the importation of manufactured goods, a country should adopt
Free trade is one in which
The exploitation of mineral resources constitutes which form of production?
The table below shows the workers engaged by an agricultural firm over a period of time. Study it and answer the questions that follow;
| Number of workers | Total product | Marginal product | Average product |
| 0 | 0 | 0 | 0 |
| 1 | 20 | 20 | 20 |
| 2 | 50 | 30 | z |
| 3 | 70 | 20 | 23.3 |
| 4 | 80 | y | 20 |
| 5 | 80 | 0 | 16 |
| 6 | x | -9.8 | 11.7 |
(a) Calculate the values of X, Y, and Z.
(b) At what level of employment of labour does the firm experience:
i. increasing returns
ii. decreasing returns
ii. negative returns
(c) State the law of diminishing returns
(d) i. On a graph sheet, draw the total product and marginal product curves.
ii. State any two relationships between the two curves in (d)(i) above
