What is the biggest difficulty in attempting to regulate the modern economy?

The biggest difficulty in attempting to regulate the modern economy is increasing regulation that affects economic growth.

Mostly government regulation influences the industry related to economy and finance in different ways, yet the particular effect relies on the way of the regulation.
 Increasing regulation commonly intends an higher workload for workers in economic services, on account of it takes period also exert should adjust business hones that take after the new regulations effectively. 

  the domino theory states that  if one country in a region came under the influence of communism, then the surrounding countries would follow in a  domino  effect.