Junk bonds, also known less pejoratively as high-yield bonds, are bonds that are rated as “speculative” or “below investment” grade issues: below BBB for bonds rated by Moody’s and below Baa for bonds rated by Standard and Poor’s (the two main debt-rating agencies). Bond ratings measure the perceived risk that the bonds’ issuer will not […]| Econlib
“ Industrial concentration” refers to a structural characteristic of the business sector. It is the degree to which production in an industry—or in the economy as a whole—is dominated by a few large firms. Once assumed to be a symptom of “market failure,” concentration is, for the most part, seen nowadays as an indicator of […]| Econlib
Compound Rates of Growth In the modern version of an old legend, an investment banker asks to be paid by placing one penny on the first square of a chessboard, two pennies on the second square, four on the third, etc. If the banker had asked that only the white squares be used, the initial […]| Econlib
There are many different measures of environmental quality, and most of those in use show that environmental quality is improving. For example, from 1970 to 2000, concentrations of carbon monoxide, a pollutant, fell by 75 percent in the United States and by 95 percent in the United Kingdom. From 1975 to 2000, nitrogen oxides declined […]| Econlib
