Using the analogy of boulders vs$.$ sand for filling a hole $,$ the textbook points out that $,$ the sand rpresents the small businesses that start and fail each year. While the boulder representa the large companies whose resources permit them to stay the course, large company serve market niches so much better than small companies, small businesses are employing a record number of employees because they have to work twice as hard at producing the same amount of output as large competitor, or small businesses can serve niche markets that larger serve