Question

distinguish between joint complementary demand and composite demand​

Answer 1

Answer:

1. A composite demand​ is a demand when the goods are demanded to satisfy several needs at a time. For example Demand for electricity.
2. A complementary or joint demand is when two or more related goods are jointly demanded to satisfy a single need. For example computers and software, vehicles and tyres, etc.

Answer 2

Joint or complementary demand:
1-When a commodity is jointly demanded with some other commodity, we call it joint demand.
2-For example-demand for pen and ink, demand for car and petrol,etc.

Composite demand:
1-The demand for a commodity which can be put to several uses is known as composite demand.
2-For example-coal can be used for heating, cooking and operating railway engine,etc.