High PTH levels may be caused by: 1  A parathyroid gland growth (hyperplasia) or a parathyroid tumor. 2  A low level of calcium in the blood. A low blood calcium level can be caused by kidney disease, kidney failure, severe vitamin D deficiency, or an inability of the intestines to absorb calcium from food.
The equity multiplier is a financial leverage ratio that measures the amount of a firmâs assets that are financed by its shareholders by comparing total assets with total shareholderâs equity. In other words, the equity multiplier shows the percentage of assets that are financed or owed by the shareholders.
The gross rent multiplier (GRM) is a simple measure of investment performance used to compare alternative investments. The gross rent multiplier formula is calculated as follows: As shown in the formula above, the gross rent multiplier is calculated by taking the price of the property and dividing it by the potential gross income of the property.