Search results for "Data Collection"
showing 10 items of 495 documents
Moving Ahead from Assessments to Actions by Using Harmonized Risk Assessment Methodologies for Soil Degradation
2010
Almost all developed countries use risk assessment methodologies (RAMs) for the evaluation of risks related to soil degradation, viz. soil organic matter decline, erosion, landslides, salinization and/or compaction. However and for various reasons, seldom the use of such RAMs seldom results in actual measures to combat soil degradation in practice. In this study the current status of RAMs in EU-27 was evaluated and factors hampering the implementation of action plans were explored. To do so we used a so-called risk assessment chain, which describes the five successive steps of any risk assessment for soil threats viz., (1) notion of the threat, (2) data collection, (3) data processing, (4) …
Cuencas de montaña y la construcción de una encuesta interdisciplinaria
2021
Este estudio presentó una reflexión sobre la encuesta como estrategia de investigación social, dentro de un contexto específico, como lo representan las cuencas de montaña. Y más aún, la problemática se enfocó en la recolección de datos que tienen que darse dentro de los sistemas de riego; por esta razón, el objetivo fue la identificación de aquellos aspectos que deben ser tomados en cuenta para la construcción de una encuesta interdisciplinaria en ese contexto. Se realizó una revisión sistemática exploratoria de literatura sobre el tema propuesto y en la región señalada. Los principales hallazgos establecieron la necesidad de que los estudios sobre estos ecosistemas, tienen que tomar en cu…
The integration of quality and safety concerns in the wine industry: the role of third-party voluntary certifications
2016
Abstract Over the past few years, public attention has focused on the quality and safety control, traceability, and environmental issues surrounding food products. Several mandatory public standards and private voluntary schemes worldwide have been developed to address these concerns. Using survey data, this paper analyses the key factors affecting the adoption of voluntary quality standards in the wine industry and the existence of a relationship between the adoption of voluntary quality standards and economic performance, measured in terms of labour productivity and marketing behaviour. The survey involved 89 cellars, of which 68 were non-certified and 21 had one or more food quality cert…
Towards a System to Monitor the Virus’s Aerosol-Type Spreading
2021
Recent scientific studies indicate that attention should be paid to the indoor spread of the Covid-19 virus. It is recommended to reduce the number of visitors to the premises and to provide frequent ventilation of the premises. The problem is that it is not known what the risk of infection is in a particular room at a specific time, when and what actions should be taken to reduce the risk. We offer a system that helps monitor the conditions in the premises with the help of sensors, calculate the risk of infection and provide information to reduce the infection risk. We give an insight into the created prototype with data collection from public spaces and data visualization according to use…
Modelling the General Public's Inflation Expectations Using the Michigan Survey Data
2009
In this article we discuss a few models developed to explain the general public's inflation expectations formation and provide some relevant estimation results. Furthermore, we suggest a simple Bayesian learning model which could explain the expectations formation process on the individual level. When the model is aggregated to the population level it could explain not only the mean values, but also the variance of the public's inflation expectations. The estimation results of the mean and variance equations seem to be consistent with the results of the questionnaire studies in which the respondents were asked to report their thoughts and opinions about inflation.
A Naïve Sticky Information Model of Households’ Inflation Expectations
2009
This paper provides a simple epidemiology model where households, when forming their inflation expectations, rationally adopt the past release of inflation with certain probability rather than the forward-looking newspaper forecast as suggested in Carroll [2003, Macroeconomic Expectations of Households and Professional Forecasters, Quarterly Journal of Economics, 118, 269-298]. The posterior model probabilities based on the Michigan survey data strongly support the proposed model. We also extend the agent-based epidemiology model by deriving for it a simple adaptation, which is suitable for estimation. Our results show that this model is able to capture the heterogeneity in households’ expe…
eHealth-Extended Care Coordination: Development of a Collaborative System for Inter-municipal Dementia Teams: A Research Project with a User-Centered…
2015
- In Norway, a health reform was recently adopted to improve continuity of care. Services that were carried out in hospitals were transferred to municipalities. Small and medium size municipalities have established inter-municipal cooperation to provide specialized services across borders. The research project eHealth-extended Care Coordination studied the inter-municipal cooperation for assessment of dementia, identifying a need for improved communication and coordination. This paper presents the development process of a collaborative information system for dementia assessment using a user-centered design approach. Mixed methods, such as observations, semi-structured interviews and questio…
Who uses intermediaries in international trade? Evidence from firm-level survey data
2011
The present paper uses data from the World Bank Enterprise Survey conducted in Turkey in 2005 to shed light on the firms which use intermediaries in international trade. It lends robust empirical support to recent theories which suggest that indirect exporters are mostly small firms which are not profitable enough to cover the high fixed costs of building their own distribution network abroad. Manufacturers which introduce entirely new products to foreign markets are more likely to use trade intermediaries, as are firms which produce low quality goods. In contrast, neither foreign ownership nor credit constraints are correlated with the choice of export mode. Moreover, firms which rely on t…
Image guidance to improve reliability and data integrity of transcranial Doppler sonography.
2012
Abstract Background Principles and accuracy of image-guided transcranial Doppler (IG TCD) sonography have been published recently. However, it remains open whether combination of image guidance and TCD offers an additional clinical advantage. This study scores the accuracy of conventional TCD examinations and investigates the potential improvement of TCD data integrity and reliability regarding the additional use of IG. Methods Conventional TCD was performed by a group of experienced investigators, who were blinded to images of a navigation system tracking the Doppler probe, whereas an independent observer documented the TCD findings, acquired by the investigators, due to saving spatial dat…
Survey data and Bayesian analysis: a cost-efficient way to estimate customer equity
2014
We present a Bayesian framework for estimating the customer lifetime value (CLV) and the customer equity (CE) based on the purchasing behavior deducible from the market surveys on customer purchasing behavior. The proposed framework systematically addresses the challenges faced when the future value of customers is estimated based on survey data. The scarcity of the survey data and the sampling variance are countered by utilizing the prior information and quantifying the uncertainty of the CE and CLV estimates by posterior distributions. Furthermore, information on the purchase behavior of the customers of competitors available in the survey data is integrated to the framework. The introduc…