We analyze stock price reactions to the announcement of the United States Supreme Court decision in South Dakota v. Wayfair, Inc., Overstock.com, Inc., and Newegg, Inc. (hereafter Wayfair), which overturned over 25 years of judicial doctrine related to sales tax nexus. Wayfair's precedent...

In this paper, we examine an exchange economy with a financial market composed of three assets: a share of a stock, an European call option written on the stock, and a riskless bond. The financial market is assumed to be incomplete and the option is not a redundant asset. In such a case the...

We consider a Volume Weighted Average Price (VWAP) trading algorithm in which instead of following the static curve passively, the algo may adjust its participation rate in each interval. We propose a framework in which the adjustment only makes use of the expected value of the price...

This paper describes asset price and return disturbances as result of relations between transactions and multiple kinds of expectations. We show that disturbances of expectations can cause fluctuations of trade volume, price and return. We model price disturbances for transactions made under all...