variable

Purchases from other nations are more variable, which increases storage costs for farmers and creates a more unpredictable market.

Another variable is the emergence of artificial intelligence; China’s voracious demand for electricity is putting pressure on governments to add generating capacity as quickly as possible.

But their real effect may be more variable, based on how much the government commitment can be expected to actually reduce the risk for companies’ mineral developments.

Importantly, it is an observational study, an analysis of previously collected information; therefore, it cannot prove a direct cause-and-effect relationship between any of the variables reviewed.

Developing autonomy for a rail system is drastically different than building a driverless car because there are different variables and the technology has to adapt to a strict preexisting system, Soule said.