What is the impact on human capital investment when a worker’s ability and investments are observed by the labour market only when the worker invests in self-promoting activities? When ...rms pay spot market wages, high ability workers overinvest in selfpromotion. There is no employment contract that attains full e¢ciency. Constrained e¢ciency is attained when employment bonds are feasible. The...

Home accidents are the main cause of death and morbidity in early childhood. Working-class children are at greatest risk. A study in an inner city area of the effects of a national television campaign about child accident prevention and of a locally designed health education initiative showed that 55% of families with young children in the study area did not watch any of the television programm...

Promoting ESCRT-I narcissism A new endosomal protein keeps ESCRT-I too wrapped up in itself to be attracted to anyone else, Chu et al. reveal on page 815. This matchbreaker prevents the premature assembly of the machinery that forms multivesicular bodies (MVBs). MVBs are endosomes with internal vesicles. The vesicles contain membrane proteins bound for fusion with lysosomes or viral particles h...

Hox signals death for neuronal precursors he number of neurons in an adult fly is determined by a death-inducing blast of a homeodomain protein, based on results from When the fly larva hatches, neurons are nearly evenly distributed along the major body axis. But in the adult, they are more numerous in the segments of the thorax than the abdomen, in part because neural stem cells (NSCs) in the ...

The work of the Institute of Medicine and others has clearly demonstrated that when healthcare professionals understand each others' roles and are able to communicate and work effectively together, patients are more likely to receive safe, quality care. Currently, there are few opportunities to bring faculty and students in pre-licensure programs from multiple disciplines together for the purpo...

Cigarette smoking causes significant morbidity and mortality in the United States. Physicians can use the five A's framework (ask, advise, assess, assist, arrange) to promote smoking cessation. All patients should be asked about tobacco use and assessed for motivation to quit at every clinical encounter. Physicians should strongly advise patients to quit smoking, and use motivational interviewi...

I describe two aspects of metacognition, knowledge of cognition and regulation of cognition, and how they are related to domain-specific knowledge and cognitive abilities. I argue that metacognitive knowledge is multidimensional, domain-general in nature, and teachable. Four instructional strategies are described for promoting the construction and acquisition of metacognitive awareness. These i...

I n an elegant analysis from the Atherosclerosis Risk in Communities Study, Rasmussen-Torvik and colleagues demonstrate that a higher degree of adherence to the American Heart Association's 7 health and behavior factors recommended for prevention of cardiovascular disease was also related to substantially reduced incidence of cancer, over a 17-to 19-year follow-up. 1 As one might expect, the st...