This note is a part of my Zettelkasten. What is below might not be complete or accurate. It
is also likely to change often.
There are two main limitations to the size of organizations - its cost curve and its ability to manage operations effectively.
Under perfect competition or if a market has limited demand, increasing production will lead to an increase in supply and a drop in pricing. The organization will beforced to limit its production or take losses since marginal cost will become greater than marginal revenue.
Under real world conditions, if the market has excess demand (or demand is manufactured), as production increases, the costs will likely go down and the prices will remain more or less constant. The organization can scale as long as there is excess demand in the market.
Of course, the Marginal cost limitation only applies for one product and one market. The organization can grow if it gains access to multiple markets or fields multiple products - however, then too there are limits.
In any organization, especially Corporations, the manager directs the production. As the organization grows in size, two factors start limiting the size: