Will the World GDP rise or fall by at least 10% year over year in at least one of the next 15 years?

Will the US experience a deflationary boom before 2030?

Will the World's GDP double in 10 years?

Will the world economy grow by more than 10000% in a single year before the year X?

Will the world economy grow by more than 30% in a single year before 2040?

Will the World GDP rise or fall by at least 10% year over year in at least one of the next 20 years?

Will the World GDP rise or fall by at least 10% year over year in at least one of the next 10 years?

Will the global financial/economic system experience a shock like 2008 in the next 10 years?

Will the world economy grow by more than X% in any single year before 2030?

Will the global financial/economic system experience a shock like 2008 in the next 5 years?