All three obviously pay great attention to rewarding investors, noting that, over time, average annualized dividend increases have been in line with or above the growth rate of inflation. On the diversification front, Carey's portfolio is spread across the office (25% of rents), industrial (24%), warehouse (20%), retail (17%), and self storage (5%) categories, with "other" making up the balance. To be fair, Realty Income and National Retail are also both pretty expensive valued on this metric, which is similar to price to earnings for an industrial concern.