The curve of human progress is a jagged one, explains Marian Tupy.
Simon was an American economist who wrote on the ways in which human innovation and efficiency makes population growth a net benefit for production.
Stephen Moore and Julian L. Simon detail the ways in which Americans were better off at the end of the 20th century than at the end of the 19th century.
Moore reflects on his former teacher, Julian L. Simon, whose theories, though widely derided during his lifetime, have been vindicated posthumously.
Simon refutes the commonly-held view that the world is becoming a worse place to live, arguing that data paints a much more optimistic picture.