What Is The Second And Main Inefficiency Which Arises In A Market?

A second type of inefficiency arises when there are spillovers or externalises, which involve involuntary imposition of costs of benefits. Market transactions involve voluntary exchange in which people exchange goods or services for money. When a firm buys a chicken to make frozen drumsticks, it buys the chicken from its owner in the chicken market, and the seller receives the full value of the hen. When you buy a haircut, the barber receives the full value for time, skills, and rent.
But many interactions take place outside markets. While airports produce a lot of noise, they generally do not compensate the people living around the airport disturbing their peace. On the other hand, some companies, which spend heavily on research and development, have positive spillover effects for the rest of society. For example, researchers at AT&T invented the transistor and launched the electronic revolution, but AT&T profits increased by only a small fraction of the global social gains. In each case, an activity has helped or hurt people outside the market transaction, that is, there was an economic transaction without an economic payment.
I think this is the most important inefficiency, which is faced by every economy of the world.