Ratio books give industry averages for costs, profitability, inventory and other measurements. Find out what to expect and how to measure yourself.
Online: Estatement Studies
Almanac of Business and Industrial Financial Ratios.
Trade Publications feature real-life stories from different industries. Examples include learn how to select menu items, arrange capital funding, renovate a historic building, profit margins for food in movie theaters and many more topics.
ABI Inform Global - Good database for marketing news and trade publications detailing the details of running specific small businesses. Be sure to select the trade publications tab.
InfoTrac Small Business Collection - Trade business sources detailing the nuts and bolts of running specific kinds of businesses. Be sure to select the magazines tab.