This question is concerned with the supply of oil for central heating. In each case consider whether there is a movement along the supply curve (and i
This question is concerned with the supply of oil for central heating. In each case consider whether there is a movement along the supply curve (and in which direction) or a shift in it (and whether left or right).
\r\n(a) New oil fields start up in production.
\r\n(b) The demand for central heating rises.
\r\n(c) The price of gas falls.
\r\n(d) Oil companies anticipate an upsurge in demand for centralheating oil.
\r\n(e) The demand for petrol rises.
\r\n(f) New technology decreases the costs of oil refining.
\r\n(g) All oil products become more expensive.