Those floppy disks and their downloadable successors made it easy, perhaps too easy, for economists to test their pet theories of growth across a broad canvas of countries and decades.

那些软盘及其可下载后续版本，让经济学家们能够松——或许松——在跨越多国家和数十阔背景下， 检验他们关经济增长独特理论。

1956. In A Contribution to the Theory of Economic Growth, U.S. economist Robert Solow applies the idea of diminishing marginal returns to the growth prospects of countries.

1956。在美国经济学家罗伯特·索洛《经济增长理论贡献》一文中，他将边际收益递减概念应用国家增长前景。