Everything else held constant, an increase in autonomous planned investment spending will cause the IS curve to shift to the ________ and aggregate demand will ________

The above figure shows the marginal social benefit and marginal social cost curves of chocolate in the nation of Kaffenia. There is no external benefit nor external cost. The demand curve for chocolate is the same as the

A) marginal social cost curve of chocolate. B) marginal social benefit curve of chocolate. C) opportunity cost curve of chocolate. D) marginal social benefit curve minus the marginal social cost curve of chocolate.

Departures from interest parity

A) can be explained using theories of risk premium. B) cannot be explained using theories of risk premium. C) may or may not be able to be explained using theories of risk premium, more research is needed. D) are completely unrelated to risk premium. E) occur when risk premium is over calculated.