We present evidence from a new comprehensive database of harmonized national time-diary data that standardizes information on almost 40 years of daily life in America. The advantages of the diary method over other ways of calculating how time is spent are reviewed, along with its ability to generate more reliable and accurate measures of productive activity than respondent estimates or other al...

OBJECTIVES This nested case-crossover study examined the association between rushing, distraction and walking on a contaminated floor and the rate of slipping, and whether the effects varied according to weekly hours worked, job tenure and use of slip-resistant shoes. METHODS At baseline, workers from 30 limited-service restaurants in the USA reported average work hours, average weekly durati...

We provide empirical evidence on the effects of tax liability changes in the United States. We distinguish between “surprise” and “anticipated” tax shocks. We find that surprise tax cuts have expansionary and persistent effects on output, consumption, investment and hours worked. Prior to their implementation, anticipated tax liability tax cuts give rise to contractions in output, investment an...

THE SICKEST PATIENTS LIE IN INTENSIVE CARE UNITS (ICUs) facing fearful illness; surrounded by overwhelming noise from pulsating ventilators and monitors; invaded by the necessary ministrations of nurses; and overhearing, if they are awake, strange and portentous conversations. Professionals buzz about them, but these patients are mostly alone, separated from those who love them by restrictive I...

Understanding segregation is essential to develop planning tools for building more inclusive cities. Theoretically, segregation at the work place has been described as lower compared to residential segregation given the importance of skill complementarity among other productive factors shaping the economies of cities. This paper tackles segregation during working hours from a dynamical perspect...

background intra-articular analgesia is a pain reliever that is frequently administered following arthroscopic knee surgery. objectives the purpose of this study was to compare the efficacy of intra-articular applicationrnof morphine and tramadol on postoperative pain after arthroscopic knee surgery patients and methods for this randomized double blinded clinical trial, 132 patientsrnundergoing...

BACKGROUND In recent years non-invasive ventilation (NIV) as become a valuable therapeutic option in exacerbations of patients with chronic pulmonary obstructive disease. Although widely used there is a paucity of information on weaning from NIV. OBJECTIVES We aimed to describe the performance of a weaning protocol based on progressive periods of NIV withdraw. METHODS During a one year peri...