Business economics is a field in applied economics which uses economic theory and quantitative methods to analyze business enterprises and the factors contributing to the diversity of organizational structures and the relationships of firms with labour, capital and product markets. A professional focus of the journal Business Economics has been expressed as providing "practical information for people who apply economics in their jobs."
Business economics is an integral part of traditional economics. It is an extension of economic concepts to the real business situations. It is an applied science in the sense of a tool of managerial decision-making and forward planning by management. In other words, Business economics is concerned with the application of economic theory to business management.
Sir Edgar Speyer, 1st Baronet (7 September 1862 - 16 February 1932) was an American-born financier and philanthropist. He became a British subject in 1892 and was chairman of Speyer Brothers, the British branch of the Speyer family's international finance house, and a partner in the German and American branches. He was chairman of the Underground Electric Railways Company of London (UERL, forerunner of the London Underground) from 1906 to 1915, a period during which the company opened three underground railway lines, electrified a fourth and took over two more.
The multimedia studio at the headquarters of Infosys Technologies Limited in Bangalore
Infosys is a multinational information technology company, with nine development centers in India and over 30 offices worldwide. Infosys and its subsidiaries employ over 80,501 professionals. Its annual revenues for the fiscal year 2006-2007 exceeded US$3.1 billion with a market capitalization of over US$30 billion.
"That part of the thing which he is only just induced to purchase may be called his marginal purchase, because he is on the margin of doubt whether it is worth his while to incur the outlay required to obtain it. And the utility of his marginal purchase may be called the marginal utility of the thing to him. Or, if instead of buying it, he makes the thing himself, then its marginal utility is the utility of that part which he thinks it only just worth his while to make. And thus the law just given may be worded:
--The marginal utility of a thing to anyone diminishes with every increase in the amount of it he already has.
There is however an implicit condition in this law which should be made clear. It is that we do not suppose time to be allowed for any alteration in the character or tastes of the man himself. It is therefore no exception to the law that the more good music a man hears, the stronger is his taste for it likely to become; that avarice and ambition are often insatiable; or that the virtue of cleanliness and the vice of drunkenness alike grow on what they feed upon. For in such cases our observations range over some period of time; and the man is not the same at the beginning as at the end of it. If we take a man as he is, without allowing time for any change in his character, the marginal utility of a thing to him diminishes steadily with every increase in his supply of it."
- —Alfred Marshall, Principles of Economics, 1890
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