BEHAVIORAL FINANCE: FATORES PSICOLÓGICOS E DECISÕES DE INVESTIMENTO

E-readers: Fatores que influenciam a intenção de adoção

The e-readers, devices designed primarily for reading electronic books (e-books) are a recent innovation that is being spread rapidly. Studies on the factors that affecting its adoption are scarce. The descriptive study tests empirically the new version of the unified theory of acceptance and use of technology (UTAUT 2), on the behavioral intention to use e-readers. Data collection was done thr...

Comunidades mediadas pela internet: fatores de sucesso e modelo de ciclo de vida

The current study is a descriptive and analytical research which aimed at studying the phenomenon of social network building which takes place in cyberspace, in order to comprehend its fundamentals in IMCs (Internet-Mediated Communities). This way, we wanted to identify the reasons of success and describe the life cycle of such communities. The research general goal was that of identifying the ...

Processo de seleção de sistemas integrados: possibilidades de modelagem com base na análise de decisões

Behavioral Finance Models and Behavioral Biases in Stock Price Forecasting

Stock market is affected by news and information. If the stock market is not efficient, the reaction of stock price to news and information will place the stock market in overreaction and under-reaction states. Many models have been already presented by using different tools and techniques to forecast the stock market behavior. In this study, the reaction of stock price in the stock market was ...

Fatores de risco para retinopatia diabética

Diabetic retinopathy (DR) is a chronic complication of diabetes mellitus (DM). After 20 years of diabetes duration Diabetic retinopathy, occurs in 90% of the type 1 diabetes mellitus patients and in 60% of the type 2 diabetes mellitus patients, being the main cause of blindness in adults. High glicemia and blood pressure levels, along with the long diabetes mellitus duration, are the main risk ...