This field study examines whether the human-judgment component of fundamental analysis adds incremental information beyond a quantitative model designed to identify securities that will subsequently underperform the market. The subject firm (the Firm) primarily focuses on the analysis of...

Employer health insurance mandates form the basis of many health care reform proposals. Proponents make the case that they will increase insurance, while opponents raise the concern that low-wage workers will see offsetting reductions in their wages and that in the presence of minimum wage laws...

Health progress, as measured by the decline in mortality rates and the increase in life expectancy, is usuallyconceived as related to economic growth, especially in the long run. In this investigation it is shown thateconomic growth is positively associated with health progress in Sweden...

Interpreting accruals as working capital investment, we hypothesize that firms optimally adjusttheir capital investment in response to discount rate changes. Consistent with the discount-ratehypothesis, we document that (i) the predictive power of accruals for future returns increaseswith the...

In this paper we study whether the progressive liberalization of the U.S. telecommunications industry has altered the psychology of firms' behavior and led to performance changes. A detailed theoretical framework is developed, based on extension of the postulates of x-efficiency theory. Such an...

This paper examines the impact of breastfeeding practices on the large regional differences in infant mortality in Germany around 1910. Breastfeeding is strongly negatively associated with infant mortality and remains so after controlling for public health measures and for demographic, economic,...

We present a derivative pricing and estimation methodology for a class of stochastic volatility models that exploits the observed 'bursty' or persistent nature of stock price volatility. Empirical analysis of high-frequency S&P 500 index data confirms that volatility reverts slowly to its mean...

This study examines relations between stock returns and potential explanatory factors in Korea, an important and segmented emerging market. Our results show that Korean stock returns in general and returns on stocks listed in Section 1 in particular are significantly positively related to...

We consider M transmitting stations sending packets to a single receiver over a slotted time-multiplexed link. For each phase consisting of T consecutive slots, the receiver dynamically allocates these slots among the M transmitters. Our objective is to characterize policies that minimize the...

In many Internet commerce applications buyers can easily achieve anonymity, limiting what a seller can learn about any buyer individually. However, because sellers need to keep a fixed web address, buyers can probe them repeatedly or pool their information about sellers with the information...