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.

那些软盘及其可载的后续版本，让经济学家们能——或许过于——在跨越多国家和数十年的广阔背， 验他们关于经济增长的独特理论。

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年。在美国经济学家罗伯特·索洛的《经济增长理论的贡献》一文中，他将边际收益递减的概念应用于国家的增长前。