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  2. Soundproofing - Wikipedia

    en.wikipedia.org/wiki/Soundproofing

    A pair of headphones being tested inside an anechoic chamber for soundproofing. Soundproofing is any means of impeding sound propagation.There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using ...

  3. William F. Willoughby - Wikipedia

    en.wikipedia.org/wiki/William_F._Willoughby

    Child Labor. By William F. Willoughby, A.B., and Miss Clare de Graffenried. Publications of the American Economic Association. [4] Workingmen's Insurance. Crowell and Company. 1898. [5] [6] The System of Financial Administration of Great Britain. A. Report by William F. Willoughby, Westel W. Willoughby, and Samuel Mccdne Lindsay.

  4. Fiscal policy - Wikipedia

    en.wikipedia.org/wiki/Fiscal_policy

    The concept of a fiscal straitjacket is a general economic principle that suggests strict constraints on government spending and public sector borrowing, to limit or regulate the budget deficit over a time period. Most US states have balanced budget rules that prevent them from running a deficit.

  5. Acoustic plaster - Wikipedia

    en.wikipedia.org/wiki/Acoustic_plaster

    Instead, conventional plaster or drywall systems were more frequently used in homes and other environments where interior aesthetics is a more important consideration but these are, however, not ideal in sound absorption. [4] Limitations of acoustic panels or conventional drywall systems also affect the flexibility of room configuration and uses.

  6. The Armchair Economist - Wikipedia

    en.wikipedia.org/wiki/The_Armchair_Economist

    The underlying theme of the book, as Landsburg states on the first page, is that "[m]ost of economics can be summarized in four words: People respond to incentives." With this apparently innocuous observation, Landsburg discusses some unexpected effects of various policies such as automobile safety legislation and environmental policies.

  7. Sound baffle - Wikipedia

    en.wikipedia.org/wiki/Sound_baffle

    A sound baffle is a construction or device which reduces the strength (level) of airborne sound. Sound baffles are a fundamental tool of noise mitigation, the practice of minimizing noise pollution or reverberation. An important type of sound baffle is the noise barrier constructed along highways to

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Fiscal space - Wikipedia

    en.wikipedia.org/wiki/Fiscal_space

    Fiscal space is the flexibility of a government in its spending choices, and, more generally, to the financial well-being of a government. [1] Peter Heller (2005) defined it “as room in a government’s budget that allows it to provide resources for a desired purpose without jeopardizing the sustainability of its financial position or the stability of the economy.” [2]

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