The Wealth of Nations by Part 5 Chapter 1 Page 194

sufficient, the great utility of the undertaking would not be a sufficient reason for establishing a joint stock company; because, in this case, the demand for what it was to produce would readily and easily be supplied by private adventures. In the four trades above mentioned, both those circumstances concur.

The great and general utility of the banking trade when prudently managed has been fully explained in the second, book of this Inquiry. But a public bank which is to support public credit, and upon particular emergencies to advance to government the whole produce of a tax, to the amount, perhaps, of several millions, a year or two before it comes in, requires a greater capital than can easily be collected into any private copartnery.

The trade of insurance gives great security to