Which of the following establishes international cooperation to prevent international trade from endangering the survival of species?

The duration of unemployment tends to rise when

A) business activity goes into a downturn. B) business activity starts back up after a long period of decline. C) people leave their jobs rather than lose their jobs. D) the number of entrants exceeds the number of reentrants.

Why are elected representatives far more likely to be informed about the issues on which they vote, compared to the typical citizen-voter?

A) A politician loves politics; citizens hate it. B) A politician is more patriotic than citizens. C) A politician is rationally ignorant; citizens are just plain ignorant. D) A politician's vote has a far greater probability of affecting the outcome, compared to a citizen's vote.