Examine the difficulties involved in making international GDP per head Essay

Examine the difficulties involved in making international GDP per head comparisons - Essay Example Substitute goods share similar type of effect on their demand and price (Sloman, Hinde and Garratt, 2010). For example, some countries use GDP per head while others use Gross National Product (GNP) per head. Within the economics context, both measures are used alternatively. Consequently, it will be very difficult to compare two economies in which one uses GDP per head while other employs GNP per head. Additionally, expenditure sources also hinder the process of carrying out an effective international GDP per head comparison. Many developed countries make expenditure on health, education and technology. On the other hand, developing countries prefer to spend on defence, security and other non-development sectors of economy. As a result, such difference also disallows a reasonable comparison between per head GDP of two international countries. Moreover, cost of living, particularly inflation, also makes it difficult to compare per head GDP of two countries. For example, Norway is known as the most expensive country because the rate of government taxes is considerably higher. On the other hand, small taxes are given in

Industrial Hygiene Essay Example | Topics and Well Written Essays - 250 words

Industrial Hygiene - Essay Example Also, the United States Code defines toxin as a deadly and poisonous substance that is either produced by plants, animals, or by artificial processes (US Code, 18, 2008). Toxins are classified into two main groups: bio-toxins and environmental toxins. Bio-toxins are toxic materials that unequivocally substantiate biological origin. Common types of bio-toxins are systemic toxins, neurotoxin, cytotoxin, and hemotoxin. On the other hand, environmental toxins are those that include man-made poisons. Most common types of environmental toxins are neurotoxic shellfish poisoning, and toxic triggers like pesticides and monosodium glutamate. Exposure to toxins does not necessarily cause disease. The amount or dose of the toxic material and length of time at which a person is exposed to the toxin determine the risk of developing serious diseases (CCOHS, 2009). Parkinson’s disease is considered to be caused by exposure to toxins. However, case studies show that there is no direct correlation between developing the disease and exposure to chemicals. In fact, it â€Å"involves combination of genetic and environmental risk factors, which include exposure to manganese, lead, etc. (Schmidt,