For which of the following will the law of one price hold best?

What could cause a decrease in the price level and simultaneously an increase in GDP similar to the 1920s in the United States?

A) a decrease in interest rates B) an increase in interest rates C) a decrease in consumer confidence D) an increase in productivity

The market value of downtown real estate is most basically determined by the

A) assessment of the taxing authorities. B) market value of the building already on a particular plot of land. C) use to which it is currently being put. D) uses to which people would like to put it if given a chance. E) whatever it costs to convert the land to its next best use.