Kevin Hoover suggests that William Nordhaus relied on the labor theory of value in his paper on light (Letters, April 24). Yet Nordhaus actually used knowledge, not labor. He offered a method to measure innovation: the discovery and sharing of valuable new knowledge. Nordhaus measured the amount of knowledge per unit of time and observed that knowledge about light was growing exponentially, surpassing traditional measures of economic development. It is the time price over time that truly deserves our attention. Read More ›
How can the laws of enterprise and business consulting diverge so significantly from the accepted wisdom of economic analysis and political rhetoric? More baffling, how is it that products are becoming simultaneously more expensive and more affordable? This paradox is possible because while we buy things with money, we actually pay for them with our time—not in dollars and cents but in hours and minutes of work. Read More ›