We study a monopolistic firm which introduces two product versions sequentially in two periods. We analyze and compare the firm's decisions on the innovation level of the new version, the production quantities and prices of both versions, and the associated profit in four settings: when the...

We consider a market consisting of two populations, termed rich and poor for convenience. If a product is priced such that it is very expensive for the poor, but affordable to the rich, it becomes a status symbol for the poor and this makes it more desirable for the poor. At a lower price the...

We study the problem of scheduling a chain-reentrant shop, in which each job goes for its processing first to a machine called the primary machine, then to a number of other machines in a fixed sequence, and finally back to the primary machine for its last operation. The problem is to schedule...

Environmental and energy independence concerns lead to government subsidies for electric vehicles (EVs). Operational decisions for a government are i) to incentivize EV ownership by a direct consumer subsidy, a station subsidy that reduces charging inconvenience, or by both subsidies; and ii) to...