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TOTAL VARIABLE COST AND MARGINAL COST: A mathematical connection between marginal cost and total variable cost stating that marginal cost IS the slope of the total variable cost curve. This relation between total variable cost and marginal cost is also seen with total cost. The slope of the total cost curve is marginal cost, as well. The relation between total variable cost and marginal cost is but another in the long line of applications of the total-marginal relation.

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TAX PROPORTIONALITY

The proportion of income paid in taxes at different levels of income. In some cases the proportion of income paid in taxes increases with income in other cases it decreases. And in still other cases, it remains the same. Tax proportionality comes in three alternatives -- proportional tax (different incomes pay the same proportion in tax), progressive tax (higher incomes pay a higher proportion in tax), and regressive (lower incomes pay a higher proportion in tax).

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Today, you are likely to spend a great deal of time searching for rummage sales seeking to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for mail order catalogs with hidden messages.
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In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"Nothing so conclusively proves a man's ability to lead others as what he does from day to day to lead himself."

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