Showing 1 - 10 of 19
In assessing the mechanism of treatment efficacy in randomized clinical trials, investigators often perform mediation analyses by analyzing if the significant intent-to-treat treatment effect on outcome occurs through or around a third intermediate or mediating variable: indirect and direct...
Persistent link: https://www.econbiz.de/10009477212
Abstract We address several questions relating to the use of standard regression and Structural Nested Mean Model (SNMM) approach (e. g., Ten Have et al. 2007) to analyze post-randomization effect modifiers of the intent-to-treat effect of a randomized intervention on a subsequent outcome,...
Persistent link: https://www.econbiz.de/10014610830
This paper examines experiments on interdependent security prisoner's dilemma games with repeated play. By utilizing a Bayesian hierarchical model, we examine how subjects make investment decisions as a function of their previous experience and their treatment condition. Our main findings are...
Persistent link: https://www.econbiz.de/10013224436
Persistent link: https://www.econbiz.de/10003515828
This paper examines the views of travel consumers that search for information online in relation to the specific benefits and concerns identified with user-generated content (UGC). Real contrasts in relation to views about UGC content were identified in the literature. For instance, UGC is...
Persistent link: https://www.econbiz.de/10009475190
Many Australian small and medium sized businesses have websites that offer a range of facilities for the consumer: information provision, online ordering, and community participation. In a study carried out on Australian winery web sites, it was observed that the smaller the winery, the less...
Persistent link: https://www.econbiz.de/10009481070
This paper proposes a framework for evaluating the quality of Web-located health information. A set of affirmative-response evaluation features are identified across four quality categories- currency/authority, accuracy, objectivity and privacy- and are used as the basis for determining the...
Persistent link: https://www.econbiz.de/10009481071
Increased complexities in making effective and timely business decisions in highly competitive markets have driven organisations worldwide to adopt business intelligence (BI) technologies. Large enterprises have reached a mature stage of BI adoption while small- and medium-sized enterprises...
Persistent link: https://www.econbiz.de/10012117128
This paper introduces the Bank of England's new forecasting platform and provides examples of how it can be applied to practical forecasting problems. The platform consists of four components: COMPASS, a structural central organising model; a suite of models, used to fill in the gaps in the...
Persistent link: https://www.econbiz.de/10005086585
In the decade before the financial crisis, the UK financial services sector grew more than twice as fast as the UK economy as a whole. But there are many conceptual difficulties associated with measuring output in finance. This article describes the contribution of the financial sector to GDP...
Persistent link: https://www.econbiz.de/10009321144