[Indications for saccoradiculography in the diagnosis of posterior hernia of the lumbar disk].
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Biomedical subjects
Publications and source records attributed to L Esposito.
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During debate on the 1977 Social Security Amendments, it was suggested that the impact on firms of a change in the mamximum taxable amount under the social security program would in part depend on the size of the firm. This study analyzes the relationship between increases in employer payroll-tax liability and both firm size and industry group. The authors conclude that there are substantial firm-size and industry effects on the increases in employer payroll-tax liability resulting from the 1977 amendments, with the largest firms experiencing, on the average, increases about three percentage points higher than those for the smaller firms. If the taxable maximum were changed (either doubled or removed) from the base established by the 1977 amendments, the industry effect would again be substantial, although there would be little or no firm-size effect.
Proposals for changes in the earnings test continue to be made. An important element in a decision to change the test is who receives the increased benefits resulting from the change. This article estimates and analyzes the distribution of increased benefits resulting from: (a) The liberalization in the test contained in the 1977 social security amendments, (b) possible future liberalizations of the earnings test, and (c) repeal of the earnings test. The authors conclude that any changes in the earnings test will not affect 90 percent of the aged population with respect to the level of benefits received because most have little or no earnings. The effect on the other 10 percent of the aged population will depend on which parameter opf the earnings test is changed. Lowering the age at which the earnings test no longer applies will be primarily advantageous to the 5 percent of the aged population at the top of the earnings distribution. Increasing the exempt amount within the range considered in this article (from $6,000 to $10,000) will be primarily advantageous to the 5 percent of the aged population in the middle of the earnings distribution. Lowering the tax rate on earnings above the exempt amount would affect high and middle earners equally.
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