Until 20th century deregulation , the markets for oil and trucking, for example, operated with monopoly privilege. American economist Milton Friedman studied natural monopolies and only found two possible examples that might have persisted without special government privilege: the New York Stock Exchange from the 1870s until 1934, and the De Beers diamond mining company. Even those, he said, were questionable examples. De Beers' share of the diamond market later fell from 90% in 1980 to just 33% in 2013 through international competition.
This statement is split into two parts by virtue of the two-prompt format. However, if I were to integrate all of this information into one unified statement of purpose, I would probably briefly introduce my research interests, go in-depth on my background, then circle back around to speak more about my personal interests and goals and what intrigues me about the program. There’s not really one correct way to structure a statement of purpose just so long as it flows well and paragraphs are structured in a logical way: one topic per paragraph, with a clear topic and concluding sentence.