"While no causality can be inferred, this is aligned with the view that self-made wealth is more likely to be associated with aggregate economic dynamism, " they argue.

BBC: India's billionaires and the wealth of the nation

While it is true that increases in inflation may occur concurrently with drops in unemployment, there is no logical causality that can be implied.

FORBES: The Chimera Of The Fed's Schizophrenic Mission

Though the authors note as a curiosity that campaigns against secondary smoke predated the evidence that it did any harm, they show no desire to explore this seemingly reversed causality.

ECONOMIST: A question of dodgy science

Granger causality and long-horizon regression tests also show no causal links between daily returns or volatility in the crude oil and natural gas futures markets and the positions for two large energy exchange-traded index funds.

FORBES: Increased Futures Speculation Did Not Increase Food or Energy Prices