The dominant position of Visa and MasterCard, in which payments are priced above cost to subsidize credit, inevitably will give way to a world in which payment services are priced at cost, or even below cost as a loss-leader to attract customers to other goods and services.
What banks would like is a return to "held-to-maturity" accounting, where assets could be priced at cost, not current market value, if they were not going to be sold in the foreseeable future.
However, because water is a regulated commodity whose price is supposed to reflect its average cost, then it is by definition not priced at marginal cost, and shortage is the theoretical result.
Before the widespread availability of rooftop solar, customers faced with average cost pricing of grid-supplied electricity would simply consume less electricity than they would if the last unit consumed was priced at marginal cost.
If firms are pricing at marginal cost, and costs (of commodity inputs, for instance) are bouncing around, then prices shift together in a perfectly competitive industry, just as they might in a cartel.
Additionally, the balance of the evidence – most clearly seen in the case of HIV antiretrovirals – indicates that competition has been more reliable as a method of lowering prices than voluntary "at cost" pricing [ 22, 23].
A rail trip should be priced at half the cost of a car trip if passenger volume is to grow.
Using those figures, a 1,200-square-foot 1,200-square-foot 1,200-square-footmight cost another $360,000 to $540,000 to redo in style.
It will be attractively priced at an unsubsidized cost of 279 euros ($390).
Ideally, water, or any scarce good, should be priced at its marginal cost.
If Firm II is charging C, then a best response for Firm 1 is to set price equal to marginal costs, and if Firm 1 is pricing at marginal cost, then conversely a best response for Firm 2 is to price at marginal cost.
