"But state leaders, it turns out, quietly beefed up employment estimates. First, they counted every year of work as a separate job. So if one person were to work 10 years, that would count as 10 jobs. Next, they figured outside companies, such as restaurants and retailers, would hire two new people for every single construction worker."
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California high-speed rail jobs estimate too good to be true - San Jose Mercury News
and true to form, agency officials explain it away as a “communication issue”.