If you purchase a $100,000 interest-rate futures contract for 105, and the price of the Treasury securities on the expiration date is 108, your ________ is ________

Which of the following statements is true of the scientific method?

A) The scientific method may not reveal a "true" model of the world. B) The scientific method does not require the models to be tested with data. C) The scientific method used by economists and scientists is independent of empiricism. D) The scientific method can help develop accurate models even when data are unavailable.

In a Malthusian world, what events would improve permanently the standard of living, as measured by output per capita?

A) a peace keeping mission B) an increase in violent crime C) a new mutation of germs D) a new sewer system