Showing 1 - 10 of 368
This paper reconsiders the effect of investor sentiment on stock prices. Using survey-based sentiment indicators from Germany and the US we confirm previous findings of predictability at intermediate time horizons. The main contribution of our paper is that we also analyze the immediate price...
Persistent link: https://www.econbiz.de/10010308566
Assumptions about the dynamic and distributional behavior of risk factors are crucial for the construction of optimal portfolios and for risk assessment. Although asset returns are generally characterized by conditionally varying volatilities and fat tails, the normal distribution with constant...
Persistent link: https://www.econbiz.de/10010298338
We test whether asymmetric preferences for losses versus gains as in Ang, Chen, and Xing (2006) also affect the pricing of cash flow versus discount rate news as in Campbell and Vuolteenaho (2004). We construct a new four-fold beta decomposition, distinguishing cash flow and discount rate betas...
Persistent link: https://www.econbiz.de/10010303697
Assumptions about the dynamic and distributional behavior of risk factors are crucial for the construction of optimal portfolios and for risk assessment. Although asset returns are generally characterized by conditionally varying volatilities and fat tails, the normal distribution with constant...
Persistent link: https://www.econbiz.de/10012779131
Arbitrageurs with a short investment horizon gain from accelerating price discovery by advertising their private information. However, advertising many assets may overload investors' attention, reducing the number of informed traders per asset and slowing price discovery. So arbitrageurs...
Persistent link: https://www.econbiz.de/10012251032
Persistent link: https://www.econbiz.de/10011005058
The PleurX peritoneal drainage catheter for drainage of malignant ascites in a community setting has been evaluated by the NICE Medical Technologies Evaluation Programme. This article outlines the evidence included in the Sponsor's submission, the independent critique by the External Assessment...
Persistent link: https://www.econbiz.de/10011005059
Background:Background: The high number of patients with acute myocardial infarction (AMI) has facilitated greater research, resulting in the development of innovative medical devices. So far, results from economic evaluations that compared drug-eluting stents (DES) and bare-metal stents (BMS)...
Persistent link: https://www.econbiz.de/10011005060
Background:Background: Pulmonary arterial hypertension (PAH) is considered an orphan disease. Prostacyclins are the keystone for PAH treatment. Choosing between the three available prostacyclin therapies could be complicated because there are no comparison studies, so the final decision must be...
Persistent link: https://www.econbiz.de/10011005061
Background:Background: The General Mutual Benefit Fund for Civil Servants and State Employees of Côte d'Ivoire (MUGEFCI; Mutuelle Générale des Fonctionnaires et Agents de l'État de Côte d'Ivoire) is a health mutual fund providing coverage (medical consultations, laboratory tests and...
Persistent link: https://www.econbiz.de/10011005062