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  2. Hyperbolic discounting - Wikipedia

    en.wikipedia.org/wiki/Hyperbolic_discounting

    Hyperbolic discounting is mathematically described as. where g (D) is the discount factor that multiplies the value of the reward, D is the delay in the reward, and k is a parameter governing the degree of discounting (for example, the interest rate). This is compared with the formula for exponential discounting:

  3. Random walk model of consumption - Wikipedia

    en.wikipedia.org/wiki/Random_walk_model_of...

    Robert Hall was the first to derive the effects of rational expectations for consumption. His theory states that if Milton Friedman’s permanent income hypothesis is correct, which in short says current income should be viewed as the sum of permanent income and transitory income and that consumption depends primarily on permanent income, and if consumers have rational expectations, then any ...

  4. Consumer price index - Wikipedia

    en.wikipedia.org/wiki/Consumer_price_index

    A consumer price index (CPI) is a price index, the price of a weighted average market basket of consumer goods and services purchased by households. Changes in measured CPI track changes in prices over time. [1] The CPI is calculated by using a representative basket of goods and services. The basket is updated periodically to reflect changes in ...

  5. United States Consumer Price Index - Wikipedia

    en.wikipedia.org/wiki/United_States_Consumer...

    The United States Consumer Price Index (CPI) is a family of various consumer price indices published monthly by the United States Bureau of Labor Statistics (BLS). The most commonly used indices are the CPI-U and the CPI-W, though many alternative versions exist for different uses. For example, the CPI-U is the most popularly cited measure of ...

  6. Consumer choice - Wikipedia

    en.wikipedia.org/wiki/Consumer_choice

    The theory of consumer choice is the branch of microeconomics that relates preferences to consumption expenditures and to consumer demand curves.It analyzes how consumers maximize the desirability of their consumption (as measured by their preferences subject to limitations on their expenditures), by maximizing utility subject to a consumer budget constraint. [1]

  7. How do you calculate cost basis on investments? - AOL

    www.aol.com/finance/calculate-cost-basis...

    However, there are several methods to calculate cost basis, and each can impact your capital gains or losses differently. ... while the current market price of the commodity today is $3.10, there ...

  8. Consumption (economics) - Wikipedia

    en.wikipedia.org/wiki/Consumption_(economics)

    Economics. Consumption is the act of using resources to satisfy current needs and wants. [1] It is seen in contrast to investing, which is spending for acquisition of future income. [2] Consumption is a major concept in economics and is also studied in many other social sciences. Different schools of economists define consumption differently.

  9. Cost-of-living index - Wikipedia

    en.wikipedia.org/wiki/Cost-of-living_index

    A cost-of-living index is a conceptual measurement goal, however, not a straightforward alternative to the CPI. A cost-of-living index would measure changes over time in the amount that consumers need to spend to reach a certain utility level or standard of living. Both the CPI and a cost-of-living index would reflect changes in the prices of ...