Basic industries are those exporting from the region and bringing wealth from outside, while nonbasic (or service) industries support basic industries. Because of data problems it is not practical to study industry output and trade flows to and from a region. As an alternative, the concepts of basic and nonbasic are operationalized using employment data.
The basic industries of a region are identified by comparing employment in the region to national norms. If the national norm for employment in, for example, Egyptian woodwind manufacturing is 5 percent and the region's employment is 8 percent, then 3 percent of the region's woodwind employment is basic. Once basic employment is identified, the outlook for basic employment is investigated sector by sector and projections made sector by sector. In turn, this permits the projection of total employment in the region. Typically the basic/nonbasic employment ratio is about 1:1. Extending by manipulation of data and comparisons, conjectures may be made about population and income. This is a rough, serviceable procedure, and it remains in use today. It has the advantage of being readily operationalized, fiddled with, and understandable.
Large amounts of roman coins found in chang’an market are the artifacts that would be most useful for a historian trying to determine the volume of trade between europe and china along the silk roads. The physical characteristics of the roman coins and the distribution have already been acknowledge in very considerable detail and much attention has been paid for the relevance to economic history.
I believe the blank is Otto von Bismark
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How did Philip II ensure absolute power? He ruled by divine right, which gave him religious power, and he also centralized the government so he could control all. Philip II was a patron of both and founded schools.
<span>early Portuguese explorers were primarily concerned with finding a maritime route around Africa to India and the East</span>
