Can you think of some examples of goods/services being exchanged or wages being paid through barter?
One example of barter exchange is from early ages in India, where grains and cattle were used as money. These goods were directly exchanged for other commodities without the use of coins or currency.
Another example is a shoe manufacturer directly exchanging shoes for wheat with a farmer. In this barter system, the shoe manufacturer has to find a farmer who not only wants to sell wheat but also wants to buy shoes. This illustrates the requirement of double coincidence of wants, where both parties must agree to sell and buy each other's commodities for the exchange to happen.
Explanation
The question asks for examples of barter exchange from the textbook. The context provides two key examples: (1) historical use of grains and cattle as money in early India, and (2) the hypothetical example of a shoe manufacturer exchanging shoes directly for wheat. The answer explains both examples while highlighting the concept of 'double coincidence of wants' which is an essential feature of the barter system as mentioned in the context.