Question:
That was more than two centuries ago, and remarkably, it is the last time any economist made a faulty prediction.

Does it follow that "It's been two centuries since economists botched a prediction."?
Answer:
yes

Question:
But not the other way around.

Does it follow that "The other way around leads to a dead end."?
Answer:
it is not possible to tell

Question:
The Great Green Tax Shift--a shift away from taxes on employment and income toward taxes on pollution and other negative externalities--has everything going for it.

Does it follow that "The Great Green Tax Shift received a large amount of public support."?
Answer:
it is not possible to tell

Question:
'We'll have the whole line ready in a month.

Does it follow that "Everything will be ready today."?
Answer:
no