Question

In environmental/macroeconomics, the “sand effect” of inflation refers to:

A The positive role inflation plays in lubricating labour markets by facilitating real wage reductions without nominal wage cuts
B The negative effect of inflation in increasing noise in relative price signals, reducing the informational efficiency of the price mechanism and causing resource misallocation
C The erosion of real environmental tax revenues when inflation is not indexed to the tax rate
D The physical degradation of infrastructure caused by neglected maintenance during high-inflation periods
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