Abstract In this paper we study parameter estimation via the Expectation Maximization (EM) algorithm for a continuous-time hidden Markov model with diffusion and point process observation. Inference problems of this type arise for instance in credit risk modelling. A key step in the application...

User behavior profiling of websites can provide an operator with an estimate of what is actually transpiring on their site. This type of information is essential to keep ahead of the curve in a commercial environment where competition is extremely fierce and continuously evolving. The authors...

Abstract Since the seminal work of Blanchard and Katz, it has been widely believed that interstate migration causes state-level employment rates in the United States to revert rapidly to normal following a regional employment shock. This paper identifies two sources of bias in conventional...

Computers were provided to randomly selected districts participating in a household survey in Vietnam to assess the impact on data quality of entering data within a day or two of completing the interview rather than several weeks later in the provincial capital. Provision of computers had no...

Research on economic growth and inequality inevitably raises issues concerning economic mobility because the relationship between long-run inequality and short-run inequality is mediated by income mobility; for a given level of short-run inequality, greater mobility implies lower long-run...

Global navigation satellite systems (GNSS) have been widely used in many applications where positioning plays an important role. However, the performances of these applications can be degraded in urban canyons, due to Non-Line-Of-Sight (NLOS) and Multipath interference affecting GNSS signals. In...

Abstract Mediation analysis is popular in examining the extent to which the effect of an exposure on an outcome is through an intermediate variable. When the exposure is subject to misclassification, the effects estimated can be severely biased. In this paper, when the mediator is binary, we...

Abstract Because of the increasing number of interrelated processes continuous monitoring and controlling of processes get more and more important. Time series constitute one possibility of modelling processes in order to determine an appropriate monitoring policy. One major problem when...

Purpose The purpose of this paper is to examine the existence of unobserved heterogeneity in the critical drivers of firms’ international expansion. Testing for unobserved heterogeneity assists researchers to come up with precise interpretations and valid conclusions....