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Barrer
(redirected from Barro)

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Barrer 
A unit of oxygen permeability of a contact lens material. Symbol: Dk. It is equal to the product of the diffusion coefficient D of oxygen through the material (i.e. the speed at which oxygen molecules pass through the material) and the solubility k of oxygen in the material (i.e. the number of oxygen molecules that can be absorbed in a given volume of material). See oxygen permeability; oxygen trans-missibility.


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In 1991, looking across 100 countries, Robert Barro of Harvard presented historical evidence that high government spending actually hurts economies in the long run by crowding out private spending and shifting resources to the uses preferred by politicians rather than consumers.
He invokes the hoary old "Ricardian equivalence theorem," revived by the Harvard economist Robert Barro, according to whom "debt-financed spending can't have any effect, because people, seeing the higher future taxes that must pay off the debt, will simply save more.
These papers were discussed: * Fatih Guvenen, University of Minnesota and NBER, and Anthony Smith, Yale University, "Inferring Labor Income Risk from Economic Choices: An Indirect Inference Approach" Robert Barro, Harvard University and NBER; Emi Nakamura and Jon Steinsson, Columbia University and NBER; and Jose Ursua, Harvard University, "Crises and Recoveries in an Empirical Model of Consumption Disasters" * James Kahn, University of Pennsylvania, "What Drives Housing Prices ?
 
 
 
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