57, 331-32; — expenditure of time, but in decreasing proportion to their class.1 But the.

The payments." (William Petty, “A Treatise of Taxes and Contributions.” Lond. 1667, p. 32. — Ed. 722 TRANSFORMATION OF SURPLUS-PROFIT INTO GROUND-RENT 1 TABLE Via Type of Soil Acres Price o/ Produc¬.