Standard courses in economics talk about the law of demand and supply, where prices are determined to equate the two. Joseph Stiglitz: The 99 Percent Wakes Up Joseph E. Stiglitz May 1, 2012. Those ships he speaks of equate to jobs at shipyards, the planes to jobs at Boeing/Lockeed/etc.
An exercise stress test is designed to find out if one or more of the coronary arteries feeding the heart contain fatty deposits (plaques) that block a blood vessel 70% or more. Additional testing is often required to confirm the test result. Test result.
You may be used to hitting the treadmill at the gym and but now your doctor wants to put you on a treadmill in the lab. What is she looking for? An exercise stress test is a tool your physician may use to assess your heart health. It is also called a treadmill test or an exercise test. Overview. A stress test can reveal if there is reduced blood flow in the arteries that supply the heart, often a sign of blockage. 1  During exercise, healthy coronary arteries dilate more than those with blockage. Narrowed arteries provide less blood (and less oxygen) to certain areas of the heart.