Prior literature has studied firm uniqueness and its implications for capital market participants by investigating earnings uniqueness. We recognize that cost and revenue uniqueness provide separate insights about firm uniqueness because different forces drive firm-specific revenues and costs....

The present paper considers a class of financial market with transaction costs and constructs a geometric no-arbitrage analysis frame. Then, this paper arrives at the fact that this financial market is of no-arbitrage if and only if the curvature 2-form of a specific connection is zero....