On the other hand, the potential for effects of styrene exposure in the general population may have been underestimated because of the healthy-worker phenomenon or because of the lack of susceptible persons in the workplace, such as the young or elderly.
Middle-income earners, for instance manufacturing workers and middle managers, have fared worse in this economy than both lower-income workers and higher-income workers, a phenomenon economists refer to as the polarization of the labor market, Professor Katz said.
He thought that the trade-union movement was reformist and even conservative, citing as essentially bourgeois and anti-worker the phenomenon of professional union officials.
In some cases, commercial beekeeping operations are decimated in a matter of days as workers disappear, a phenomenon scientists have named Colony Collapse Disorder.
But Polish social workers say the phenomenon is growing, a side-effect of the collision of Western consumer culture with Eastern Europe's post-Communist economy.
In fact, the number of young woman going up in flames seems to have risen since the Taliban's fall.Rights workers blame the phenomenon, at least in part, on the blighting of educated women's hopes for a freer life after the Taliban.
Indeed, some workers describe this phenomenon in terms of a bimodal grain size distribution, often without justification, while others focus on very few, elongated grains.
Recently, Nutaro and Protopoopescu [18] and his co-workers discovered a phenomenon that the delay of phase and frequency in power systems can be explained by the classical swing equation and Kirchhoff equation.
The weak local rural economy and unstable occupations of migrant workers enhanced this phenomenon.
A more recent definition of hormesis by Calabrese and co-workers considers the phenomenon to be an "adaptive" and frequently observed response resulting from exposure to a perturbing agent (Calabrese and Baldwin 2002b).
This review has shown that migration of health workers is a phenomenon in which decisions and actions taken in one country can have substantial and direct effects on another country.
