Portal:Business
The Business and Economics Portal Business is the practice of making one's living or making money by producing or buying and selling products (such as goods and services). It is also "any activity or enterprise entered into for profit." A business entity is not necessarily separate from the owner and the creditors can hold the owner liable for debts the business has acquired. The taxation system for businesses is different from that of the corporates. A business structure does not allow for corporate tax rates. The proprietor is personally taxed on all income from the business. A distinction is made in law and public offices between the term business and a company such as a corporation or cooperative. Colloquially, the terms are used interchangeably. (Full article...) Economics (/ˌɛkəˈnɒmɪks, ˌiːkə-/) is a social science that studies the production, distribution, and consumption of goods and services. Economics focuses on the behaviour and interactions of economic agents and how economies work. Microeconomics analyses what's viewed as basic elements in the economy, including individual agents and markets, their interactions, and the outcomes of interactions. Individual agents may include, for example, households, firms, buyers, and sellers. Macroeconomics analyses the economy as a system where production, distribution, consumption, savings, and investment expenditure interact, and factors affecting it: factors of production, such as labour, capital, land, and enterprise, inflation, economic growth, and public policies that have impact on these elements. (Full article...) Selected article His business career was controversial. He was bitterly attacked by muckraking journalists; his company was convicted in the Federal Court of monopolistic practices and broken up in 1911. He gave up active management of Standard Oil in the late 1890s, while keeping a large fraction of the shares. He spent the last forty years of his life focused on philanthropic pursuits, primarily related to education and public health. He donated most of his wealth using multiple foundations run by experts. He was a devout Northern Baptist and supported many church-based institutions throughout his life. Rockefeller may ultimately be remembered simply for the raw size of his wealth. In 1902, an audit showed Rockefeller was worth about $200 million, compared to the total national wealth that year of $101 billion. His wealth grew significantly after as the demand for gasoline soared, eventually reaching about $900 million, including significant interests in banking, shipping, mining, railroads, and other industries. By the time of his death in 1937, Rockefeller's remaining fortune, largely tied up in permanent family trusts, was estimated at $1.4 billion. Rockefeller's net worth over the last decades of his life would easily place him among the list of wealthiest persons in history. As a percentage of the United States economy, no other American fortune—including Bill Gates or Sam Walton—would even come close. Selected image
Selected economyThe economy of Saudi Arabia is the second-largest in the Middle East and the nineteenth-largest in the world. The Saudi economy is highly reliant on its petroleum sector. Oil accounts on average in recent years for approximately 40% of Saudi GDP and 75% of fiscal revenue, with substantial fluctuations depending on oil prices each year. The kingdom has the second-largest proven petroleum reserves, and the fourth-largest measured natural gas reserves. Saudi Arabia is currently the largest exporter of petroleum in the world. Other major parts of the economy include refining and chemical manufacturing from the oil reserves, much of which is vertically integrated in the state-owned enterprise, Saudi Aramco. Saudi Arabia is permanent and founding member of OPEC In 2016, the Saudi government launched its Saudi Vision 2030 program to reduce its dependency on oil and diversify its economic resources. By 2022, Saudi Arabia had only modestly reduced its dependence on oil. (Full article...) Selected quote"Two fundamental questions that must be answered in controlling the inventory of any physical good are when to replenish the inventory and how much to order for replenishment. In this book we shall attempt to show how these questions can be answered under a variety of circumstances. Essentially every decision which is made in controlling inventoried in any organization, regardless of how complicated the inventory supply system may be, is in one way or another associated with the questions of when to order and how much to order. There are certain types of inventory problems, such as those concerned with the storage of water within dams, in which one has no control over the replenishment industry. (In other words, the ressuply of the inventory of water within the dam depends on the rainfall, and the organization operating the dam has no control over this.) We shall not consider this type of problem here. The only problems with which we shall concern ourselves are those in which the organization controlling the inventory has some freedom in determining when, and in what quantity, the inventory should be replaced. On other hand, we shall assume that, in general, the inventory system has no control over the demands which occur for the item, or items, which it stocks. Again, this is just the opposite of what one encounters in dealing with inventory problems such as storage of water within dams, since the efflux of water through the dam is completely within the control of the organization operating the dam. In short, we are going to consider the type of inventory problem encountered in business, industry, and the military. We shall concentrate on showing how mathematical analysis can be used to help develop operating rules for controlling inventory systems. When mathematics is applied to the solution of inventory problems, it is necessary to describe mathematically the system to be studied. Such a description is often referred to as a mathematical model. The procedure is to construct a mathematical model of the system of interest and then to study the properties of the model. Because it is never possible to represent the real world with complete accuracy, certain approximations and simplifications must be made when constructing a mathematical model. There are many reasons on this. One is that it is essentially impossible to find out what the real world is like. Another is that a very accurate model the real world can become impossibly difficult to work with mathematically. A final reason is that accurate models often cannot be justified on economic grounds. Simple approximate ones will yield results which are good enough so that the additional improvement obtained from a better model is not sufficient to justify its additional cost."
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