As the author mentioned changes in rent are a huge factor. Did the date of closures coincide with a new lease which can range from 1 - 10 years. Seeing a distri

As the author mentioned changes in rent are a huge factor. Did the date of closures coincide with a new lease which can range from 1 - 10 years. Seeing a distribution of the age of the restaurant when closed could show them. The other huge factor is cost of labor. Maybe looking at the minimum wage could be another feature. The news usually has those articles about how restaurants are struggling and the incremental minimum wage increase will hurt their business. It'd be interesting to see how strong of a factor that is in restaurant closures. Also factors that could be tough to get but important * Cost of the ingredients like meat, vegetables etc.. * General Economic conditions, are consumers going out to eat?