Monopoly happens when a solitary vender produces for some buyers.

The item is to a great degree not quite the same as others and no other firm is creating such item. Thus, it has full power over market cost.

Qualities:

One vender, Numerous purchasers.

Diverse ware.

Confinements on passage and exit.

No substitute.

Value producer.

Regular approaches to emerge:

Government permit/Government control.

Patent rights.

Selective normal assets.

and yes they are still a concern and solution to it is necessary..