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GOOD TYPES: We can identify four different types of goods based on two key characteristics -- rival consumption and excludability. Private that are rival in consumption and easily subject to the exclusion of nonpayers. Public goods that are nonrival in consumption and the exclusion of nonpayers is virtually impossible. Near-public goods that are nonrival in consumption and easily subject to the exclusion. Common-property goods that are rival in consumption and not easily subject to the exclusion.
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Lesson 13: The Firm | Unit 2: Objectives
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Page: 10 of 24
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Topic:
Natural Selection
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- If real world firms DON'T seek to maximize profit, then why do pointy-headed economists assume that firms DO seek to maximize profit when analyzing firm behavior?
- The answer lies with the concept of natural selection.
- Natural selection is the notion that firms best suited to the economic environment on the ones that tend to survive.
- It's probably true that individual firms do not consciously try to maximize profit.
- But it's also true that decisions the surviving firms make end up with the same results as if the firms DID consciously try to maximize profit.
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KEYNESIAN MODEL A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a replacement battery for your pocket calculator or a how-to book on home remodeling. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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RJE
RAND Journal of Economics
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