Agio speculation . – Speculation, which is to negotiate using the swings and differences in the prices of any class of goods, as well as cash, documents of credit and debt securities públic. He says especially the remuneration payable in different currencies and exchange for the banknotes of the Bank for cash.
Savings .-is a form of employment or consumption of wealth, which is not to apply the satisfaction of current needs only part of the benefit or compensation earned in the industry, devoting the rest to increase the means available for new productions and to the care of future needs.
Consideration of the future, man’s privilege over all other finite beings is the foundation of the virtue of saving, which equates to the economic order of sobriety and prudence ..
Rental – Proponenn some economists this word to mean, generally, the remuneration of capital or is the goal that they perceive on the loan, but writers want it to mean only that corresponds to compensation as a capital of what are called fixed.
Since the use and the distinction distinguishes naturally between the remuneration of fixed capital and working capital, it seems only logical to adopt a generic, should be of interest to designate the price paid for the use of capital under any form, then applying the rental or lease for fixed capital-land, machines, etc., and the revenue-to-money circulating capital, raw materials, etc.