1-F,2-T,3-F

1-T,2-T,3-T

1-T,2-T,3-T

1-T,2-F,3-F

1-F,2-T,3-F

1-T,2-T,3-T

1-T,2-T,3-T

1-T,2-F,3-F

1-F,2-T,3-F

1-T,2-T,3-T

1-T,2-T,3-T

1-T,2-F,3-T

if some can still be made better off without making someone else worse off.

if there are still mutually beneficial trades which can be realized.

if I am unhappy with what I have but I cannot find a trading partner because everybody else is happy with what they have

if everybody s wellbeing can be increased simultaneously.

it can produce that good at a lower opportunity cost than its trading partner.

it can benefit by restricting imports of that good.

it can produce that good using fewer resources than its trading partner.

it must be the only country with the ability to produce that good.