In particular, the two researchers thought that psychopaths might not possess the instinctive grasp of social contracts-the rules that govern obligations-that other people have.
As an important principle during the performance of contract, the substantial change of circumstance system is provided in continental law system and common law system countries.
This rule was introduced after the collapse of Enron, whose auditor, Arthur Andersen, was thought to have gone easy on the crooked energy firm to protect its lucrative business advising it.
Although Yemen has a law stating that 15 is the marriageable age, it is frequently flouted, particularly in poor rural areas where society is run along tribal lines.
In France, the government has banned supermarkets from throwing away edible foods and imposed harsh penalties on businesses that fail to comply with the regulations.