For Bulgaria, whose history is marked by conflicts with the Ottoman Empire and Soviet occupation, union membership is also viewed as a source of economic and democratic stability.
The HC collects data including demographics, health conditions/status, health care utilization, health insurance coverage, income, employment status, workplace/job variables (number of employees at work site, blue/white collar occupation, union status, and hours worked per week).
Until its occupation by Union troops during the American Civil War, it was a bustling river port; abundant waterpower fueled flour mills and sawmills.
This situation changed in December 2004 when Denmark ratified the European Union directive on equal treatment in employment and occupation (European Union 2000).
As might be expected, most of those who previously had blue-collar and trade union occupations represent Labour.
For Greek leaders facing wide civil unrest, including the unions' occupation of the country's finance ministry on Thursday, the threat of turning to the I.M.F. can serve useful ends.
"There are very few occupations or industries where unions are strong enough where they can set standards," says Lawrence Mishel, president of the Economic Policy Institute.
Being a portable operation, the Poster Workshop even set up in student unions during occupations at the London School of Economics and others, producing posters out of the canteen.
Such occupations are the new unions.
However when only the interaction of union and occupation is used as instruments and both union and occupations are controlled for in the second stage (columns 2 of Table 5), the estimates become very imprecise and unstable.
