An MRI is a test that uses a magnetic field and pulses of radio wave energy to make pictures of the spine. In many cases, an MRI gives different information than an X-ray, an ultrasound, or a CT scan. An MRI also may show problems that cannot be seen with other imaging tests.
Note: A general discussion of the causes of the subprime mortgage crisis is included in Subprime mortgage crisis, Causes and Causes of the 2007â2012 global financial crisis. This article focuses on a subset of causes related to affordable housing policies, Fannie Mae and Freddie Mac and government regulation.
The government began to increase interest rates, in 1929, from 3.5% to 5%. Some believe this is what caused the recession to come about in August of 1929. The government failed to act to stabilize or increase the money supply during The Great Depression. In fact, the supply of money fell by 30% between 1929 and 1933.