Disputes about e-mail and web pages on the Web extend across state lines, and may well even extend across national borders. The curve DD’ demand curve slopes down which shows that price tag and quantity demanded operate in opposite direction. The most important concentrate of an energy enterprise is the production and sale of power resources, hence an energy lawyer will generally deal with the contractual side of this – i.e. producing positive that the production, sale and distribution of the sources is legally right. The energy business is heavily regulated and any new project will will need to stick to any applicable laws.