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DISINTERMEDIATION: A general deterioration in the profitability of a bank because it pays high interest rates on short-term borrowing, but earns relatively low interest rates on long-term lending. This was a big, BIG problem for savings and loans (S&Ls) during the 1970s and ultimately caused many of them to fail in the 1980s. S&Ls were designed (by law) to make long-term (30-year) home loans to consumers, but to get the funds for these loans using standard savings accounts. When inflation and interest rates shot up in the 1970s, S&Ls found it necessary to pay savers higher rates to get the funds. But, they still had a bunch of home loans--with low interest rates--that were 15, 20, or 25 years from being repaid. For several years, S&Ls received 6 percent on many of their loans, but paid out something like 12 percent. This gradually eroded their profitability until many were forced to close their doors.

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Lesson 11: Elasticity Basics | Unit 1: The Concept Page: 2 of 25

Topic: Responsiveness <=PAGE BACK | PAGE NEXT=>

  • The elasticity definition goes something like this...

  • Elasticity is the relative response of one variable to changes in another variable.
  • The phrase "relative response" is best interpreted as "percentage change."

  • In other words, elasticity is a measure of the percentage change in one variable relative to the percentage change in another variable.

  • The two most important variables that we are concerned with are price and quantity.

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INCREASING RETURNS TO SCALE

A given proportional change in all resources in the long run results in a proportional greater change in production. Increasing returns to scale exists if a firm increases ALL resources--labor, capital, and other inputs--by a given proportion (say 10 percent) and output increases by more than this proportion (that is more than 10 percent). This is one of three returns to scale. The other two are decreasing returns to scale and constant returns to scale.

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