On the horizontal axis, each enterprise or organisation is categorized by its ownership. On the left side ownership is by public authorities, and on the right side it is private industry. "Private industry" encompasses all economic activity with the capital of one (or many) private owners, with a view to making a profit for personal benefit. The owners supply financial capital and bear any risk. "Public authorities" encompass all economic activity in which public authorities possess the capital at the national, federal, regional or local level; this includes nationalised and public industries.