We examine the relation between high frequency quotation and the behavior of stock prices between 2009 and 2011 for the full cross-section of securities in the U.S. On average, higher quotation activity is associated with price series that more closely resemble a random walk, and significantly...

When a firm faces an uncertain demand, it is common to procure supply using some type of option in addition to spot purchases. A typical version of this problem involves capacity being purchased in advance, with a separate payment made that applies only to the part of the capacity that is...

This paper studies a supplier competition model in situations with flexible resources where suppliers face diseconomies of scale. Under such a situation, it is generally believed that a buyer may split an order across different suppliers; and even if the buyer chooses only one supplier, the...