(By Gerry Yemen, a senior researcher, and Gregory B. Fairchild, a business professor at the University of Virginia Darden School of Business.) A couple of years ago, many Cubans couldn’t go into a restaurant. Now they are quietly opening their own eateries. In a country where private companies don’t have an identity, self-employed people are conducting “private activity.” Although the term “entrepreneur” generally is not favored, Cubans who have good ideas, a good education and are not government employees are instead registering as self-employed people.