If the yen to dollar exchange rate moves from 105 to 115 yen per dollar, then the dollar has ________ and the yen has ________

The above figure shows the isoquants for producing steel. Increasing returns to scale are

A) present when producing less than 10,000 tons. B) present when producing less than 20,000 tons. C) present when producing less than 30,000 tons. D) never present.

If the price elasticity of demand is equal to 1, then demand is unit elastic

a. True b. False Indicate whether the statement is true or false