topic in instructions

assignment : Explain how the certificated airline industry has changed since deregulation in terms of expansion, consolidation, and concentration. Describe several innovations pioneered by the major air carriers in the early 1980s that radically changed the structure of the industry.
Answer the above Review Question from your textbook. Start by referencing your textbook and expand on this information by referencing two additional sources. You are also welcome to include your own insights and opinions. Text portion of each answer needs to be a minimum of one page long and follow the APA-7 format. Please include second page listing your references for the answer.