In unmanned aerial vehicle (UAV) photogrammetric surveys, the camera can be pre-calibrated or can be calibrated “on-the-job” using structure-from-motion and a self-calibrating bundle adjustment. This study investigates the impact on mapping accuracy of UAV photogrammetric survey blocks, the bundle adjustment and the 3D reconstruction process under a range of typical operating scenarios for cent...

This paper studies the dynamics of durable and nondurable consumption under two alternative assumptions about information updating by households — rational inattention and sticky expectations. We find that sticky expectations due to a fixed cost does a better job of reproducing the infrequent adjustments at the individual level and the slow adjustments at the aggregate level. We then show that ...

In the U.S. labor market, the vacancy-unemployment ratio and employment react sluggishly to productivity shocks. We show that the job matching model in its standard form cannot reproduce these patterns due to excessively rapid vacancy responses. Extending the model to incorporate sunk costs for vacancy creation yields highly realistic dynamics. Creation costs induce entrant firms to smooth the ...

In the U.S. labor market, the vacancy-unemployment ratio and employment react sluggishly to productivity shocks. We show that the job matching model in its standard form cannot reproduce these patterns due to excessively rapid vacancy responses. Extending the model to incorporate sunk costs for vacancy creation yields highly realistic dynamics. Creation costs induce entrant firms to smooth the ...

Trade globalization pushes multinational corporations (MNCs) to conduct business in many geographic regions, and talent flow has emerged as one of the main avenues for building competitive advantage international organizations. The job performance expatriates is crucial MNCs which will suffer significant financial losses a result high failure rate expatriates. Therefore, it important focus on f...

AIMS To investigate the factors, including size of organisation, associated with job loss in patients awaiting surgery to the hip or knee joint. METHODS A questionnaire was mailed to 498 consecutive patients of working age listed at a district general hospital for major joint replacement, knee arthroscopy, or periacetabular osteotomy. Questions were asked about level of physical disability, d...

OBJECTIVES To test the usefulness of the Demand-Control Model as predictor for ischemic heart disease (IHD). MATERIALS AND METHODS One thousand one hundred forty six actively employed men and women from the general population of Copenhagen participated at baseline in 1993-1994. They filled in questionnaires on the Demand-Control Model, job title, work place, civil status, family income, leisu...

STUDY OBJECTIVE To investigate the impact of changes in psychosocial work environment on subsequent sickness absence. DESIGN Analysis of questionnaire and sickness absence data collected in three time periods: 1990-1991, before the recession; 1993, worst slump during the recession; and 1993-1997, a period after changes. SETTING Raisio, a town in south western Finland, during and after a per...