At the same time, money spent on the war could have been spent elsewhere. We estimate that if a proportion of that money had been allocated to domestic investment in roads, schools, and research, the American economy would have been stimulated more in the short run, and its growth would have been enhanced in the long run.
同时，花在战争上的钱可以用在别处。我们估计，如果把这些钱的一部分分配到道路、学校以及研究的国内投资上来，在短期内就会更大地刺激美国经济，而且其长远性的增长也会得到改善。